Staphylinidae
Guides
Achenomorphus
Achenomorphus is a genus of rove beetles in the family Staphylinidae, subfamily Paederinae. The genus was established by Motschulsky in 1858 and contains multiple described species distributed across various regions. Members of this genus are small to medium-sized beetles with the characteristic short elytra and elongated body form typical of rove beetles. The genus is classified within the tribe Lathrobiini and subtribe Medonina.
Achenomorphus corticinus
Achenomorphus corticinus is a small rove beetle (Staphylinidae) in the subfamily Paederinae. It is broadly distributed across eastern North America, with records spanning from southeastern Canada through the eastern and midwestern United States. The species inhabits forested environments and has been collected in association with bark and decaying wood. It is one of the more frequently encountered species in its genus, with over 450 observations documented on iNaturalist.
Acidota
A genus of rove beetles (Staphylinidae: Omaliinae: Anthophagini) established in 1829. Species occur across the Holarctic region, with documented presence in Eurasia and North America. The genus includes at least 10 described species, with recent taxonomic work clarifying species boundaries and geographic distributions in Russia and China.
Acidota crenata
Crenate Ocellate Rove Beetle
Acidota crenata is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. The species has a Holarctic distribution, occurring across northern and central Europe, extending eastward through Russia to East Asia, and present in North America including Canada and the United States. It is one of approximately 15 species in the genus Acidota, which are characterized by distinctive ocellate (eye-spotted) patterns on the elytra. The specific epithet 'crenata' refers to the crenate (scalloped or notched) margins characteristic of this species.
Acrotona
Acrotona is a genus of rove beetles in the family Staphylinidae, first described by Thomson in 1859. The genus contains at least 30 described species. Recent taxonomic work has identified new species, including Acrotona brachyoptera from New Brunswick, Canada. Members of this genus belong to the subfamily Aleocharinae, a diverse group within the rove beetles.
Acrotona austiniana
Acrotona austiniana is a species of rove beetle in the family Staphylinidae, described by Casey in 1910. It is native to North America, with confirmed records from Texas. As a member of one of the largest beetle families, it contributes to the documented diversity of Staphylinidae in the region.
Acruliopsis
Acruliopsis is a genus of rove beetles in the family Staphylinidae, subfamily Omaliinae. The genus contains approximately five described species distributed across East Asia and western North America. Species have been recorded from Japan, the Russian Far East, Korea, and the Pacific Northwest of North America. The genus was established by Zerche in 2003.
Acruliopsis tumidula
Acruliopsis tumidula is a small rove beetle (Staphylinidae: Omaliinae) described from the Pacific Northwest of North America. It is one of few species in the genus Acruliopsis, a group of omaliine rove beetles characterized by compact body form and association with forest floor habitats. The species has been recorded from coastal and montane regions of British Columbia, Washington, Oregon, and Alaska.
Actiastes fundatum
Actiastes fundatum is a species of ant-loving beetle in the family Staphylinidae, described by Grigarick & Schuster in 1971. It belongs to the subfamily Pselaphinae, a group of small rove beetles known for their myrmecophilous associations. The species is documented from North America. Very few observations exist, with only two records in iNaturalist.
Acylophorina
Acylophorina is a subtribe of rove beetles (Staphylinidae) within the tribe Staphylinini. The subtribe contains the genus Acylophorus, which includes species distributed in Madagascar and the Mascarene Islands. Members of this subtribe are characterized by specific morphological traits that distinguish them from related staphylinine beetles.
Acylophorus
Acylophorus is a genus of rove beetles in the family Staphylinidae, tribe Staphylinini, subtribe Acylophorina. The genus has a cosmopolitan distribution with documented species across sub-Saharan Africa, Madagascar, the Mascarene Islands, and northern Europe. Taxonomic revisions have established numerous species synonymies and described multiple new species from African and insular populations. The genus is characterized by morphological features including distinctive forebody structure, maxillary palpi, antennae, and aedeagus morphology used in species-level identification.
Acylophorus caseyi
Casey's Rove Beetle
Acylophorus caseyi is a species of rove beetle (family Staphylinidae) described by Leng in 1920. It belongs to the genus Acylophorus, a group of relatively large rove beetles within the tribe Staphylinini. The species is known from eastern North America, with records spanning from Canada to the southeastern United States. Like other members of its genus, it is likely associated with forest floor habitats and decaying organic matter.
Acylophorus pratensis
Acylophorus pratensis is a rove beetle species in the family Staphylinidae, first described by LeConte in 1863. The species is currently recognized as a synonym of Amacylophorus pratensis. It has been documented in limited observations across parts of Canada and the northeastern and midwestern United States.
Acylophorus pronus
Stooping Rove Beetle
Acylophorus pronus is a rove beetle in the family Staphylinidae, commonly known as the Stooping Rove Beetle. The species was described by Erichson in 1840 and is widely distributed across northern North America. As a member of the large genus Acylophorus, it inhabits moist terrestrial environments where it functions as a generalist predator or scavenger.
Adranes
ant-loving beetles
Adranes is a genus of obligately myrmecophilous beetles in the rove beetle family Staphylinidae. These small beetles are entirely dependent on ants of the genus Lasius, living as inquilines within their nests. The six described species share extreme morphological adaptations for this lifestyle, including complete eyelessness, reduced mouthparts, and highly modified antennae. They are known from North America, with species distributed across the United States and Pacific coast regions.
Adranes coecus
Adranes coecus is a species of ant-loving beetle in the family Staphylinidae. It is known from eastern North America. The species belongs to the tribe Clavigerini, whose members are obligate myrmecophiles, living in close association with ant colonies.
Aleochara
Aleochara is a genus of rove beetles (Staphylinidae) distinguished by its parasitoid larval life history. Adults are predatory, feeding on eggs, larvae, and puparia of scatophagous and necrophagous Diptera. Larvae are ectoparasitoids that develop inside fly puparia, killing the host. The genus contains at least 150 and possibly more than 400 species across 16 subgenera, with a worldwide distribution except Antarctica. Several species, notably Aleochara bilineata, are significant biological control agents of agricultural pest flies.
Aleochara bimaculata
Two-spotted Aleochara
Aleochara bimaculata is a species of rove beetle in the family Staphylinidae. It belongs to the large and diverse subfamily Aleocharinae, which contains thousands of species worldwide. The species name "bimaculata" refers to two spots, likely describing a distinctive marking on the elytra. As with many Aleochara species, it is probably associated with decaying organic matter and may have ecological importance in nutrient cycling.
Aleochara curtula
Shortened Minute Rove Beetle
Aleochara curtula is a small rove beetle in the family Staphylinidae, distributed across the Palearctic region and introduced to North America. Adults measure approximately 7 mm in length with distinctive two-toned elytra and brush-like antennae. The species exhibits complex sexual behaviors including male-male aggression, female mimicry through pheromone production, and active female mate choice. Larvae are ectoparasitoids of fly pupae, developing within carrion habitats.
Aleochara lanuginosa
Woolly Minute Rove Beetle
Aleochara lanuginosa is a rove beetle in the family Staphylinidae, characterized by its minute size and distinctive woolly pubescence. The species is native to the Palearctic region but has been introduced to North America, where it is now established in Canada and the northern United States. It belongs to the subgenus Xenochara, a group of Aleochara species with specialized ecological associations.
Aleochara lata
Large Minute Rove Beetle
Aleochara lata is a species of rove beetle in the family Staphylinidae. It belongs to the subgenus Aleochara Gravenhorst, a group of parasitoid rove beetles. The species is native to the Palearctic region and has been introduced to North America.
Aleochara littoralis
Aleochara littoralis is a species of rove beetle in the family Staphylinidae, first described by Wollaston in 1864. The species is currently treated as a synonym of Aleochara obscurella in some taxonomic databases, though this status appears inconsistent across sources. It has been recorded from Europe, Morocco, and the Canary Islands.
Aleochara lucifuga
Aleochara lucifuga is a small rove beetle in the subfamily Aleocharinae, characterized by the abbreviated elytra typical of Staphylinidae. The species was described by Casey in 1893 and is documented from multiple eastern and central U.S. states. It belongs to a large genus of predatory rove beetles, though specific natural history details for this species remain poorly documented.
Aleochara pacifica
Aleochara pacifica is a species of rove beetle in the family Staphylinidae. It is distributed along the Pacific coast of North America from British Columbia through California and Oregon to Washington, with records extending into Mexico. The species was originally described as Polistoma pacifica by Casey in 1893. Like other members of the genus Aleochara, it is likely associated with decaying organic matter and may have predatory or parasitoid relationships with fly puparia, though specific ecological studies for this species are limited.
Aleochara speculicollis
Shiny Minute Rove Beetle
Aleochara speculicollis is a small rove beetle in the family Staphylinidae, described by Bernhauer in 1901. The species is characterized by a notably shiny, reflective pronotum that contributes to its common name. It occurs across a broad transcontinental range from Canada through the United States to Mexico. Like other members of the genus Aleochara, it is presumed to be associated with decaying organic matter and carrion habitats.
Aleochara sulcicollis
A rove beetle species in the family Staphylinidae with a documented parasitoid life history involving kelp flies. Larvae develop as parasitoids of intertidal kelp flies, specifically Fucellia rufitibia, with adults likely active in coastal habitats where macroalgae and host flies occur. The species has been recorded across a broad geographic range spanning North, Central, and South America.
Aleochara taeniata
Aleochara taeniata is a rove beetle (Staphylinidae) in the subfamily Aleocharinae. It has been documented as a parasite of the house fly, Musca domestica, with larvae developing within fly puparia. The species occurs across a broad geographic range in the Americas, from the southwestern United States through Central America and into South America, with records from the Caribbean as well.
Aleochara thoracica
Aleochara thoracica is a species of rove beetle in the family Staphylinidae, tribe Falagriini. The species was described by Stephens in 1832 and is currently accepted under this name, though it has been classified under the genus Falagrioma in some treatments. It occurs in northeastern North America, with records from Canada and the United States. Very little is known about its biology or ecology.
Aleocharinae
rove beetles
Aleocharinae is the largest subfamily of rove beetles (Staphylinidae), containing over 12,000 described species across more than 1,000 genera and 52 tribes. Members are predominantly small to minute beetles, typically 3–5 mm in length, with highly variable morphology reflecting their diverse ecological specializations. The subfamily exhibits extraordinary biological diversity, including free-living, myrmecophilous, termitophilous, parasitic, predatory, fungivorous, and herbivorous forms distributed across all terrestrial habitats worldwide.
Aleocharini
Aleocharini is the type tribe of the subfamily Aleocharinae, containing three subtribes: Aleocharina, Compactopediina, and Hodoxenina. The tribe comprises approximately 29 genera and over 650 species, with the vast majority of diversity concentrated in the subtribe Aleocharina—particularly the genus Aleochara, which alone contains over 500 species. Members are rove beetles (Staphylinidae) exhibiting diverse ecological strategies, including free-living forms and myrmecophilous species associated with ants.
Aleodorus bilobatus
Two-lobed Minute Rove Beetle
Aleodorus bilobatus is a small rove beetle (Staphylinidae) native to eastern North America. Adults measure 2.8–4.1 mm and exhibit variable coloration from light brown to black. The species is associated with wet riparian habitats, particularly vegetation along rivers and ditches. It is classified in the tribe Falagriini within the subfamily Aleocharinae.
Aleodorus intricatus
Intricate Minute Rove Beetle
Aleodorus intricatus is a minute rove beetle in the family Staphylinidae, subfamily Aleocharinae, tribe Falagriini. It measures 3.1–4.1 mm and is uniformly light to dark brownish-testaceous in color. The species is distributed in western North America from the southwestern United States to southern Canada.
Alisalia
Alisalia is a genus of rove beetles (family Staphylinidae) containing 10 described species. The genus was established by Casey in 1911 and is classified within the subfamily Aleocharinae, tribe Oxypodini, and subtribe Meoticina. Species are distributed across North America, with most described from the early 20th century and two added in 2009.
Aloconota
Aloconota is a genus of rove beetles (family Staphylinidae) in the tribe Geostibini, subfamily Aleocharinae. The genus was established by Carl Gustaf Thomson in 1858. It has a cosmopolitan distribution with records from Europe, including Denmark, Norway, and Sweden. Six species are currently recognized: A. currax, A. debilicornis, A. gregaria, A. insecta, A. planifrons, and A. sulcifrons.
Aloconota neocambrica
Variable Minute Rove Beetle
Aloconota neocambrica is a minute rove beetle in the family Staphylinidae, subfamily Aleocharinae, described from eastern Canada in 2011. It belongs to the tribe Geostibini, a group of small aleocharines associated with forest floor habitats. The species epithet "neocambrica" references New Brunswick, indicating the type locality region. As a recently described species, detailed biological information remains limited.
Amarochara
A genus of rove beetles (Staphylinidae: Aleocharinae: Oxypodini) established by C.G. Thomson in 1858. The genus comprises approximately 25 valid species distributed across the Holarctic region, with the majority described or redescribed in a comprehensive 2002 revision. Holarctic species are organized into five species groups based on phylogenetic analysis, replacing the previous subgeneric classification system.
Amarochara duryi
Amarochara duryi is a species of rove beetle (family Staphylinidae) described by Casey in 1906. It belongs to the large subfamily Aleocharinae, one of the most diverse groups within Staphylinidae. The species is known from scattered records across northeastern North America, with documented occurrences in Canada (New Brunswick, Quebec) and the United States (Iowa, Illinois, Massachusetts). Like other aleocharine rove beetles, it is likely associated with decaying organic matter and moist microhabitats, though specific ecological details remain poorly documented.
Amarochara fenyesi
Fenyes's Minute Rove Beetle
A small rove beetle in the genus Amarochara, described by Blatchley in 1910. It is one of 25 valid species recognized in the Holarctic revision of the genus. The species belongs to a group characterized by specific morphological traits and shares the genus-wide trait of apparently utilizing subterranean habitats for reproduction and hibernation.
Amarochara forticornis
Amarochara forticornis is a rove beetle species in the tribe Oxypodini, originally described by Lacordaire in 1835. It is one of 25 valid species recognized in the Holarctic revision of the genus Amarochara. The species has undergone taxonomic clarification, with previous synonymies resolved. It is assigned to one of five species groups established for Holarctic representatives of the genus.
Amarochara inquilina
Amarochara inquilina is a rove beetle in the family Staphylinidae, originally described as Nasirema inquilina by Casey in 1906. A lectotype was designated for this species in a 2002 revision of Holarctic Amarochara. The species is known from northeastern Canada (New Brunswick) and Iowa, USA. Like other Holarctic members of its genus, it is believed to have a univoltine life cycle with spring-summer reproduction.
Amphichroum
Amphichroum is a genus of rove beetles (Staphylinidae) in the subfamily Omaliinae and tribe Anthophagini, established by Kraatz in 1857. The genus comprises approximately 32 described species distributed across montane regions of Asia, with significant diversity in the Himalayan region, Tibet, and southwestern China. Recent taxonomic revisions have added numerous species from China, particularly from Yunnan and Sichuan provinces. Species are primarily known from high-elevation mountain localities.
Amphichroum maculatum
Amphichroum maculatum is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It is a small beetle found in western North America, with records from British Columbia south through Washington, Oregon, and California, and east to Nevada. The specific epithet "maculatum" (spotted) suggests a patterned appearance, though detailed morphological descriptions are limited in available sources. As a member of the Omaliinae, it likely inhabits moist terrestrial environments where these beetles are commonly encountered.
Anisolinina
Anisolinina is a subtribe of rove beetles (Staphylinidae) established by Hayashi in 1993. It belongs to the tribe Staphylinini within the subfamily Staphylininae. The subtribe contains multiple genera of small to medium-sized predatory beetles. Members of this group share derived morphological features that distinguish them from related subtribes within Staphylinini.
Anomognathus cuspidatus
Anomognathus cuspidatus is a small rove beetle (family Staphylinidae) in the subfamily Aleocharinae. It is native to Europe and parts of Asia, with introduced populations established in eastern North America including Canada and the northeastern United States. The species belongs to the tribe Homalotini, a group of aleocharine rove beetles often associated with decaying organic matter and fungal habitats.
Anotylus insecatus
Anotylus insecatus is a species of rove beetle in the family Staphylinidae. It is native to Europe but has been introduced to North America, with established populations in Canada and the United States. The species was first described by Gravenhorst in 1806 under the basionym Oxytelus insecatus. It belongs to the subfamily Oxytelinae, a group of small to medium-sized rove beetles often associated with decaying organic matter.
Anotylus insignitus
Anotylus insignitus is a species of spiny-legged rove beetle in the family Staphylinidae. It has an exceptionally broad global distribution spanning six continents, including native ranges in the Neotropics and Caribbean, and introduced populations in North America, Europe, and Oceania. The species belongs to the tribe Oxytelini, a group characterized by fossorial (burrowing) habits and association with decaying organic matter.
Anthobium
Anthobium is a genus of rove beetles (Staphylinidae: Omaliinae: Anthophagini) established by William Elford Leach in 1819. The genus has undergone extensive taxonomic revision, with multiple former genera (Deliphrum, Lathrimaeum, Eudeliphrum, Arpediopsis) synonymized under Anthobium. Species are organized into numerous species groups including atrocephalum, fusculum, gracilipalpe, nigrum, morchella, reflexum, consanguineum, crassum, tectum, algidum, morosum, fortepunctatum, and convexior groups. The genus is distributed across the entire Palaearctic region, with highest diversity in mountainous areas of China, the Himalayas, and Nepal.
Anthophagini
Anthophagini is a tribe of ocellate rove beetles within the subfamily Omaliinae of Staphylinidae. The tribe contains at least 20 genera and 20 described species. Members are characterized by the presence of ocelli, distinguishing them from many other staphylinid groups. The tribe was established by C. G. Thomson in 1859.
Apalonia
Apalonia is a genus of rove beetles in the family Staphylinidae, established by Casey in 1906. The genus contains at least 40 described species, placing it among the more species-rich genera within the aleocharine rove beetles. These beetles belong to the tribe Athetini, a large and diverse group characterized by small body size and complex morphological features. The genus has been documented in entomological collections, though detailed biological studies remain limited for most species.
Aplastus productus
Aplastus productus is a species of rove beetle in the family Staphylinidae. Information regarding this species is extremely limited in the provided source material. The genus Aplastus belongs to the large and diverse rove beetle family, whose members are characterized by shortened elytra that leave most of the abdomen exposed. No specific observations, habitat associations, or behavioral details for A. productus are documented in the available context.
Apocellus
Apocellus is a genus of spiny-legged rove beetles in the family Staphylinidae, containing approximately 11 described species. These beetles are characterized by their elongated bodies and relatively short elytra typical of rove beetles. The genus was established by Erichson in 1839 and occurs primarily in the Americas, with records from North and South America.
Apocellus sphaericollis
spiny-legged rove beetle
Apocellus sphaericollis is a species of rove beetle in the family Staphylinidae, subfamily Oxytelinae. It is one of the larger species in the genus Apocellus and has been documented across a broad geographic range spanning North and Central America. The species was first described by Thomas Say in 1831. Records indicate it occurs from southern Canada through the United States and into Mexico and Guatemala.
Aptopus gracilis
Aptopus gracilis is a species of rove beetle in the family Staphylinidae, tribe Xantholinini. Members of this genus are characterized by their slender, elongated body form typical of many rove beetles. The species is distinguished from congeners by its gracile proportions and specific morphological details of the antennae and pronotum. Like other Xantholinini, it is likely associated with decaying organic matter and soil habitats, though specific ecological details for this species remain poorly documented in published literature.
Arianops gigantea
Arianops gigantea is a species of rove beetle in the family Staphylinidae, described by Barr in 1974. It belongs to the subfamily Pselaphinae, a diverse group of small beetles often associated with leaf litter and soil habitats. The specific epithet "gigantea" suggests relatively large size compared to congeners, though absolute dimensions remain undocumented in available sources. The species is currently known from taxonomic catalogues with no verified observations in major biodiversity databases.
Arianops norithe
Arianops norithe is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by Barr in 1974 and is known from North Carolina, USA. The genus Arianops is part of the tribe Amauropini, a group of small beetles associated with ant colonies.
Arianops unicoi
Arianops unicoi is a species of ant-loving beetle in the family Staphylinidae, described by Barr in 1974. The specific epithet 'unicoi' references the Unicoi Mountains, part of the southern Appalachian range in eastern Tennessee and western North Carolina. As a member of the subfamily Pselaphinae, it belongs to a diverse group of small rove beetles typically associated with forest floor habitats. The species is known from a restricted geographic range in the southeastern United States.
Arpedium
Arpedium is a Holarctic genus of rove beetles (Staphylinidae: Omaliinae: Anthophagini) first described by Erichson in 1839. The genus comprises approximately 14 species distributed across the Nearctic and Palaearctic regions, including Europe, Japan, North America, and Central Asia. At least one species, A. cribratum, has been identified as a subnivium specialist—active beneath winter snowpack and rare or inactive during summer. The genus has undergone taxonomic revision, with five new species described recently and several synonymies resolved.
Arpedium schwarzi
Arpedium schwarzi is a rove beetle (Staphylinidae: Omaliinae: Anthophagini) belonging to the Schwarzi species group within the genus Arpedium. It is an eastern North American species with a distribution spanning the eastern United States and southeastern Canada. The species was described by Fauvel in 1878 and has been subject to taxonomic revision, with lectotype designation and redescription in recent studies.
Arrhenopeplus
Arrhenopeplus is a genus of rove beetles in the family Staphylinidae, subfamily Micropeplinae. The genus was established by Blackwelder in 1952. It contains at least one described species, Arrhenopeplus tesserula. Members of this genus are small beetles with the characteristic short elytra typical of rove beetles.
Arthmius
Arthmius is a genus of small rove beetles in the family Staphylinidae, subfamily Pselaphinae, commonly referred to as ant-loving beetles. The genus contains nine described species distributed in North America. Members of this genus are associated with ant colonies, a characteristic trait of many Pselaphinae. The genus was established by John Lawrence LeConte in 1849.
Arthmius morsus
ant-loving beetle
Arthmius morsus is a species of ant-loving beetle in the family Staphylinidae, first described by Fletcher in 1932. It belongs to the subfamily Pselaphinae, a group characterized by small size and association with ant colonies. The species is documented from Arizona, USA. Like other members of the tribe Batrisini, it is presumed to inhabit ant nests, though specific biological details remain poorly documented.
Artochia
Artochia is a genus of rove beetles (Staphylinidae) in the subfamily Omaliinae, tribe Anthophagini. The genus contains two described species: Artochia californica (California) and Artochia productifrons (distributed across British Columbia, Alaska, California, Oregon, Utah, and Washington). It is a small, rarely encountered genus with limited documented observations.
Astenus americanus
Astenus americanus is a species of rove beetle in the family Staphylinidae, subfamily Paederinae. It is a small, poorly known species with limited published information on its biology. The species has been recorded from northeastern North America, with scattered records from Canada and the eastern United States. Like other members of the genus Astenus, it likely inhabits leaf litter and soil environments, though specific ecological details remain undocumented.
Astenus brevipennis
Astenus brevipennis is a species of rove beetle (family Staphylinidae) described by Austin in 1877. It belongs to the subfamily Paederinae, a group characterized by relatively slender bodies and predatory habits. The species name "brevipennis" refers to short wings, a trait common among rove beetles where the hardened forewings (elytra) are reduced and leave most of the abdomen exposed. This species has been recorded from scattered localities across eastern North America.
Astenus cinctus
Astenus cinctus is a species of rove beetle in the family Staphylinidae, first described by Thomas Say in 1831. As a member of the subfamily Paederinae, it belongs to a diverse group of predatory beetles characterized by their elongated bodies and short elytra. The genus Astenus contains numerous species distributed across the Northern Hemisphere, with A. cinctus documented from parts of Canada and the United States.
Astenus discopunctatus
Black-tailed Tomcat Rove Beetle
Astenus discopunctatus is a rove beetle in the family Staphylinidae, commonly known as the Black-tailed Tomcat Rove Beetle. The species was originally described as Paederus discopunctatus by Thomas Say in 1831. It belongs to the subfamily Paederinae, a diverse group of rove beetles often associated with leaf litter and soil habitats. The species has been documented across eastern and central North America.
Atanygnathus
Atanygnathus is a genus of rove beetles in the family Staphylinidae, first described by Jakobson in 1909. The genus has a cosmopolitan distribution and includes at least three described species: A. bicolor, A. terminalis, and A. poussereaui. It belongs to the subtribe Tanygnathinina within the tribe Staphylinini. As with other staphylinid beetles, members of this genus are characterized by their shortened elytra that leave much of the abdomen exposed.
Atheta alesi
Atheta alesi is a rove beetle species described in 2012 from New Brunswick, Canada. It was among 32 new beetle species identified during a comprehensive survey of the province's coleopteran fauna. The species belongs to the large genus Atheta within the family Staphylinidae.
Atheta longicornis
Atheta longicornis is a rove beetle species in the family Staphylinidae, first described by Gravenhorst in 1802. The species has a broad native distribution across Europe, North Africa, and parts of Asia, and has been introduced to North America (Canada and the United States), Australia, and other regions. As a member of the hyperdiverse genus Atheta, it inhabits various terrestrial habitats where it contributes to decomposition processes. The species is characterized by its relatively long antennae, which inspired its specific epithet.
Atheta modesta
Atheta modesta is a rove beetle (family Staphylinidae) first described by F.E. Melsheimer in 1844. It is a small beetle species found in northeastern North America, with records from both Canada and the United States. The species is part of the diverse genus Atheta, which contains numerous small, often poorly known rove beetles. Recent survey work in New Brunswick, Canada has contributed to knowledge of its distribution.
Atheta particula
Atheta particula is a species of rove beetle in the family Staphylinidae, described by Casey in 1910. It belongs to the large and diverse subfamily Aleocharinae, one of the most species-rich lineages within the rove beetles. The species has been documented from limited observations in northeastern North America, with records from Canada and the northeastern United States. Like many aleocharine rove beetles, it is likely associated with decaying organic matter and soil habitats, though specific ecological details remain poorly documented.
Atheta pennsylvanica
Atheta pennsylvanica is a species of rove beetle described by Bernhauer in 1907. It belongs to the large genus Atheta within the subfamily Aleocharinae. The species is known from eastern North America, with records spanning Canada and the northeastern United States. Like other aleocharine rove beetles, it is small-bodied and associated with soil and leaf litter habitats.
Atheta prudhoensis
Atheta prudhoensis is a rove beetle species in the family Staphylinidae, described by Lohse in 1990. The species has been documented across northern North America, including extensive Canadian provinces and territories as well as parts of the northeastern United States. It was among the beetle species contributing to the substantial increase in documented fauna for New Brunswick, Canada, where beetle species counts rose from 1,365 in 1991 to 3,062 by 2016.
Atheta remulsa
Atheta remulsa is a small rove beetle in the family Staphylinidae, described by Casey in 1910. The species is known from a broad geographic range across northern North America, including most Canadian provinces and territories as well as Alaska and New York in the United States. It is one of thousands of beetle species documented in regional biodiversity surveys, including recent work in New Brunswick, Canada.
Atheta ventricosa
Distended Minute Rove Beetle
Atheta ventricosa is a small rove beetle species in the family Staphylinidae, described by Bernhauer in 1907. It is distributed across much of Canada and the northern United States. The species has been recorded from 10 Canadian provinces and territories and 12 US states.
Athetini
Athetini is a large tribe of rove beetles (Staphylinidae: Aleocharinae) comprising at least 50 genera and 430 described species. The tribe is taxonomically complex, with ongoing research into its limits and internal relationships; it was not recovered as monophyletic in molecular phylogenetic studies. Multiple independent origins of coastal habitat specialization have been documented within the tribe.
Atrecus americanus
Atrecus americanus is a species of rove beetle in the family Staphylinidae, described by Casey in 1906. It belongs to the tribe Othiini within the subfamily Staphylininae. The species is known from eastern North America, with records spanning from southeastern Canada through the northeastern and north-central United States.
Autalia
Autalia is a genus of rove beetles in the family Staphylinidae, first described by Leach in 1819. The genus belongs to the subfamily Aleocharinae and is the type genus of the tribe Autaliini. Species are documented from Europe, Northern America, and the Neotropics. The genus includes at least four recognized species: Autalia impressa, A. longicornis, A. puncticollis, and A. rivularis.
Autalia puncticollis
Autalia puncticollis is a rove beetle species in the family Staphylinidae, described by Sharp in 1864. It belongs to the tribe Autaliini within the subfamily Aleocharinae. The species has a Palearctic native distribution across Europe, Russia, Turkey, and Japan, with introduced populations in western North America including British Columbia, California, and Washington.
Baeocera pallida
Baeocera pallida is a species of rove beetle in the family Staphylinidae, described by Thomas Lincoln Casey in 1900. It belongs to the subfamily Scaphidiinae, a group commonly known as shining fungus beetles due to their association with fungal substrates. The species is documented from scattered localities across eastern and central North America, with records from Canada and the United States.
Batrisodes albionicus
Batrisodes albionicus is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It is distributed in western North America, with records from British Columbia, Alaska, Washington, Oregon, and California. As a member of the genus Batrisodes, it is likely associated with leaf litter habitats and ant colonies, though specific ecological details for this species remain poorly documented.
Batrisodes denticollis
Batrisodes denticollis is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It is known from scattered localities across the eastern and central United States. Like other members of its genus, it is presumed to inhabit leaf litter and may associate with ants. The species was described by Casey in 1884.
Batrisodes mendocino
Batrisodes mendocino is a small rove beetle in the family Staphylinidae, first described by Casey in 1886. It is an ant-loving beetle (myrmecophile) that has been documented in California, USA. The species epithet refers to Mendocino County or the broader Mendocino region of coastal northern California. Like other members of its genus, it is likely associated with ant colonies, though specific ecological details remain poorly documented.
Batrisodes scabriceps
gargoyle beetle
Batrisodes scabriceps is a small rove beetle in the subfamily Pselaphinae, commonly known as the short-winged mould beetles. Males of this species exhibit pronounced facial modifications including horns, spines, or other projections that give the genus its informal name 'gargoyle beetles.' The species was originally described by John Lawrence LeConte in 1849 and occurs across eastern and central North America. Like other members of Batrisodes, it is presumed to inhabit leaf litter and prey on microarthropods.
Batrisodes texanus
Coffin Cave mold beetle, Inner Space Caverns mold beetle
Batrisodes texanus is a minute troglobitic beetle endemic to caves in Williamson County, Texas. This eyeless species measures only 2.60–2.88 mm and inhabits the unique microenvironment of cave systems, where it feeds on organic matter such as mold and detritus. The species is federally listed as endangered due to its extremely restricted range and vulnerability to habitat disturbance. It belongs to the diverse rove beetle family Staphylinidae, specifically the subfamily Pselaphinae, which contains many cave-adapted species.
Batrisodes venyivi
Helotes Mold Beetle
Batrisodes venyivi, commonly known as the Helotes Mold Beetle, is a small, eyeless troglobitic beetle in the family Staphylinidae. It is endemic to eight caves in Bexar County, Texas, and was listed as endangered under the U.S. Endangered Species Act in 2000. The species exhibits classic cave-adapted traits including elongated antennae, legs, and sensory setae. Very little is known about its behavior, population trends, or life history due to the logistical challenges of accessing its subterranean habitat.
Beeria nematocera
Beeria nematocera is a species of rove beetle (family Staphylinidae) originally described as Philonthus nematocerus by Casey in 1915, later transferred to the monotypic genus Beeria by Hatch in 1957. The genus combines morphological characteristics of both Staphylinini and Quediini tribes, though its prothorax morphology supports placement in Quediini. The species is known from western North America.
Belladonna barryi
Belladonna barryi is a species of rove beetle in the family Staphylinidae. The genus name 'Belladonna' references the toxic nightshade plant, though this does not necessarily indicate a biological association. The species epithet 'barryi' likely honors an individual, following common taxonomic practice. Very little is known about this species beyond its taxonomic placement.
Belonuchus
Belonuchus is a genus of large rove beetles in the family Staphylinidae, comprising more than 30 described species. Members of this genus are found in the Americas, with records from Mexico and the southwestern United States. At least one species, B. cifuentesi, has been documented in association with Agave plants. The genus is characterized by features typical of the tribe Staphylinini within the subfamily Staphylininae.
Belonuchus rufipennis
Belonuchus rufipennis is a species of rove beetle (family Staphylinidae) first described by Fabricius in 1801. It is considered a relatively large species within the rove beetle family, with documented body lengths ranging from 4.6 to 9 mm. The species exhibits a notably broad geographic distribution spanning the Americas from Canada to Argentina, with additional populations established in Hawaii and Italy through human introduction.
Beyeria vespa
Beyeria vespa is a species of rove beetle in the family Staphylinidae, first described by Fenyes in 1910. It belongs to the tribe Crematoxenini within the subfamily Aleocharinae. The species is known to occur in North America, with documented records from Arizona, USA. As a member of Staphylinidae, it possesses the characteristic short elytra that leave most of the abdomen exposed.
Bibloporus bicanalis
Bibloporus bicanalis is a small rove beetle in the subfamily Pselaphinae, characterized by reduced elytra and a compact body form typical of ant-loving beetles. The species was described by Casey in 1884 and occurs in eastern North America. As a member of the tribe Trichonychini, it belongs to a diverse group of myrmecophilous beetles that have evolved specialized associations with ants. Records indicate presence in both Canada and the United States, though detailed biological information remains limited.
Bisnius blandus
A rove beetle in the family Staphylinidae, widely distributed across eastern North America from Canada to the southern United States. The species has been recorded in 57 iNaturalist observations, indicating moderate detection frequency by naturalists. As a member of the tribe Staphylinini and subtribe Philonthina, it belongs to a diverse group of predatory rove beetles.
Bisnius cephalicus
Bisnius cephalicus is a species of rove beetle in the family Staphylinidae, first described by Casey in 1915. It belongs to the subtribe Philonthina within the tribe Staphylinini. The species has been documented in Canada across multiple provinces including Alberta, Manitoba, New Brunswick, Ontario, and Quebec. As a member of the large and diverse genus Bisnius, this species shares the general characteristics of predatory rove beetles, though specific ecological details remain poorly documented in published literature.
Bisnius fimetarius
Bisnius fimetarius is a rove beetle in the family Staphylinidae, originally described from Europe and now known to occur across the Palearctic region. The species has been introduced to eastern Canada. As a member of the genus Bisnius, it belongs to a group of rove beetles often associated with dung and carrion habitats where they function as predators.
Bledius
spiny-legged rove beetles
Bledius is a genus of spiny-legged rove beetles in the family Staphylinidae, containing at least 100 described species. Members of this genus are associated with coastal and riparian habitats, where they have been observed in intertidal zones and along shorelines. The genus was established by Leach in 1819 and is classified within the tribe Blediini of subfamily Oxytelinae. Species in this genus exhibit adaptations for life in wet, sandy environments.
Bledius albonotatus
Bledius albonotatus is a rove beetle in the family Staphylinidae, first described by Mäklin in 1853. The species belongs to the genus Bledius, a group known for association with aquatic or semi-aquatic habitats, particularly sandy shorelines. It occurs along the Pacific coast of North America from Alaska to Mexico. The specific epithet 'albonotatus' refers to white markings on the body.
Bledius analis
spiny-legged rove beetle
Bledius analis is a species of spiny-legged rove beetle described by John Lawrence LeConte in 1863. It belongs to the tribe Blediini within the rove beetle family Staphylinidae. The species is documented across much of North America, with records from Canada and the United States.
Bledius emarginatus
Bledius emarginatus is a species of rove beetle in the family Staphylinidae, tribe Blediini. The species was described by Thomas Say in 1831. It is one of many species in the large genus Bledius, which comprises small to medium-sized beetles often associated with moist or riparian habitats.
Bledius gallicus
Bledius gallicus is a rove beetle in the family Staphylinidae, first described by Gravenhorst in 1806 under the name Oxytelus gallicum. The species has a broad native distribution across Europe, Russia, the Caucasus, Middle East, Central Asia, Mongolia, and China. It has been introduced to eastern North America, with established populations in Canada and the northeastern United States. The genus Bledius comprises species often associated with sandy or muddy habitats, though specific ecological details for B. gallicus remain limited in published sources.
Bledius mandibularis
spiny-legged rove beetle
Bledius mandibularis is a species of rove beetle in the family Staphylinidae, characterized by spiny legs typical of its genus. The species was described by Erichson in 1840 and occurs across a broad geographic range spanning North America and the Caribbean. Like other members of the genus Bledius, it is associated with riparian and shoreline habitats.
Bledius pallipennis
Bledius pallipennis is a species of rove beetle in the subfamily Oxytelinae, described by Thomas Say in 1823. It belongs to the genus Bledius, a diverse group of beetles commonly associated with moist, sandy, or muddy habitats. The species is distributed across the central and eastern United States. Like other members of its genus, it is likely associated with riparian or shoreline environments.
Bledius semiferrugineus
Bledius semiferrugineus is a rove beetle in the tribe Blediini, characterized by its semiferrugineous (half rusty-brown) coloration. The species occurs across eastern North America from Canada to the southern United States, with records extending to Cuba. Like other members of Bledius, it is associated with moist habitats, particularly shorelines and wetland margins. The species was described by John Lawrence LeConte in 1863.
Bledius zophus
Bledius zophus is a species of rove beetle in the family Staphylinidae, described by Herman in 1983. It belongs to the genus Bledius, a diverse group of small to medium-sized staphylinids often associated with moist or riparian habitats. The species is known from western North America, with records from the Pacific Northwest and adjacent regions. Like other members of Bledius, it likely inhabits shoreline or wetland environments where it may prey on small invertebrates or scavenge organic matter.
Bobitobus kelleyi
Bobitobus kelleyi is a species of rove beetle in the family Staphylinidae, subfamily Mycetoporinae. It is widely distributed across northern North America, with records from numerous Canadian provinces and U.S. states. The species was described by Malkin in 1944 and belongs to a genus within one of the largest families of beetles.
Bolitocharina
Bolitocharina is a subtribe of rove beetles (Staphylinidae) within the tribe Homalotini, subfamily Aleocharinae. It was established by Carl Gustaf Thomson in 1859. The subtribe contains multiple genera of small to minute beetles characterized by compact body forms and reduced elytra typical of the family. Members are found primarily in the Holarctic region, with some representation in other biogeographic zones.
Boreaphilus henningianus
Boreaphilus henningianus is a rove beetle (Staphylinidae) with a Holarctic distribution spanning northern Eurasia and North America. The species is associated with cold, northern habitats and has been recorded from boreal and subarctic regions. It belongs to the tribe Coryphiini within the subfamily Omaliinae.
Brachygluta
ant-loving beetles
Brachygluta is a genus of ant-loving beetles (Staphylinidae: Pselaphinae) containing over 80 described species. These small rove beetles are specialist predators of mites. The Nearctic fauna has been revised, with 29 species recognized in North America.
Brachygluta luniger
Brachygluta luniger is a small rove beetle in the family Staphylinidae. The species has been recorded from eastern North America, with distribution records spanning from Canada to the southeastern United States. As with other members of the genus Brachygluta, it is a poorly known species with limited published biological information. The genus belongs to the diverse rove beetle fauna, one of the largest families of beetles.
Brachygluta ulkei
Brachygluta ulkei is a small rove beetle in the subfamily Pselaphinae, a diverse group of minute beetles often associated with leaf litter and soil habitats. The species was described by Brendel in 1866 and occurs in the eastern United States. Like other pselaphines, it is likely a predator or scavenger in microarthropod communities, though specific ecological details remain poorly documented.
Brachygluta wickhami
Brachygluta wickhami is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It was described as a new species by Bückle in 2015 as part of a comprehensive revision of North American Brachygluta. The species is one of twelve new Brachygluta species described in that monograph. Like other members of this genus, it is a small, presumably litter-dwelling beetle with reduced elytra typical of the subfamily Pselaphinae.
Brathinus
Brathinus is a genus of rove beetles in the family Staphylinidae, distributed across North America and East Asia (Japan, China). The genus is distinguished from typical staphylinids by its unusually long elytra that cover nearly the entire abdomen, rather than leaving most abdominal segments exposed. Six species are currently recognized, with three described from North America and three from Japan. The genus was established by LeConte in 1852.
Brathinus nitidus
ocellate rove beetle
Brathinus nitidus is a small rove beetle species in the family Staphylinidae, described by J.L. LeConte in 1852. It belongs to the subfamily Omaliinae and is characterized by the presence of ocelli—simple eyes in addition to the compound eyes—hence its common name 'ocellate rove beetle'. The species is native to eastern North America, with documented occurrences in both the United States and Canada.
Brathinus varicornis
Brathinus varicornis is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It was described by John Lawrence LeConte in 1852. The species occurs in northeastern North America, with records from Canada and the northeastern United States. Very few observations of this species have been documented, with only two records in iNaturalist as of the data cutoff.
Bryophacis
Bryophacis is a genus of rove beetles (family Staphylinidae, subfamily Mycetoporinae) established by Reitter in 1909. The genus occurs in both the Palearctic and Nearctic regions, with documented species in Europe and North America. North American species were revised taxonomically in 1993, resulting in the description of new species and generic reassignments from related genera.
Bryophacis smetanai
Bryophacis smetanai is a small rove beetle (Staphylinidae: Mycetoporinae) described by Campbell in 1993 as part of a comprehensive taxonomic revision of North American Bryophacis. It belongs to the tribe Bolitobiini, a group of mycophagous staphylinids associated with fungal substrates. The species was established based on morphological examination of specimens from across northern North America.
Bryoporus
Bryoporus is a genus of rove beetles (Staphylinidae: Tachyporinae: Bolitobiini) established by Kraatz in 1857. The genus has an almost cosmopolitan distribution with records from Europe, North America, and other regions. Taxonomic revisions have clarified its relationship to related genera Bryophacis, Bolitopunctus, and Neobolitobius, particularly for North American species. The genus includes multiple species, with Bryoporus cernuus (Gravenhorst, 1806) being a representative species.
Bryoporus testaceus
Bryoporus testaceus is a rove beetle (family Staphylinidae, subfamily Mycetoporinae) described by John Lawrence LeConte in 1863. The species exhibits the characteristic abbreviated elytra typical of rove beetles, leaving most of the abdomen exposed. It has been recorded across a broad geographic range in North America, from eastern Canada through the eastern and central United States. Specific ecological details remain limited in published literature.
Caccoplectus
Caccoplectus is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was established by Sharp in 1887 and contains approximately nine described species. These beetles are associated with ant colonies, a common ecological strategy among pselaphine beetles. Most species have been described from the Neotropical region, particularly Central America.
myrmecophileant-associatedpselaphinerove-beetleNeotropicalStaphylinidaePselaphinaeArhytodinitropicalant-colony-inhabitantinquilinemicrohabitat-specialistleaf-littersoil-dwellingcrypticrarely-collectedsmall-beetlemorphologically-specialized1887-descriptionSharpCentral-AmericaPanamaColeopteraPolyphagaStaphyliniformiaStaphylinoideaPselaphitaegenus-levelnine-speciesconicusdegallierilucidusnuttingipectinatusschwarzisentisspinipessucineasspine-legged-pselaphidChandlerWoldaSchaeffer190619761986type-species-unknownrarely-observediNaturalist:-2-observationsCatalogue-of-Life-acceptedGBIF-acceptedNCBI-acceptedEukaryotaMetazoaHexapodaInsectaArthropodaAnimaliabeetleinsectarthropodanimalCafius
coastal rove beetles
Cafius is a genus of relatively large rove beetles in the family Staphylinidae, comprising approximately 8 described species in North America and approaching 50 globally. The genus originated in the early Miocene (ca. 17.91 Ma) along the coasts of Europe and Australia, with subsequent diversification driven by transoceanic dispersal via ocean surface currents. Species are obligate inhabitants of coastal marine environments, particularly sandy intertidal zones. The genus is notable for its global distribution across temperate and tropical coastlines and its biological adaptations to saline, dynamic shoreline habitats.
Cafius aguayoi
Cafius aguayoi is a species of rove beetle in the family Staphylinidae, described by Bierig in 1934. The species belongs to the genus Cafius, a group associated with coastal and intertidal habitats. Documented occurrences are limited to the northeastern United States.
Cafius bistriatus
Cafius bistriatus is a relatively large rove beetle in the family Staphylinidae, reaching up to 7 mm in length. The species exhibits a transcontinental distribution in the Americas, occurring along both Atlantic and Pacific coastlines from Canada to northern South America, with extensive Caribbean island records. Two subspecies are recognized: C. b. bistriatus (Atlantic and Gulf coasts, Caribbean) and C. b. fulgens (Pacific coasts including the Gulf of California and Salton Sea).
Cafius femoralis
Cafius femoralis is a rove beetle species in the family Staphylinidae, originally described from the North Pacific region. GBIF records indicate this name is currently treated as a synonym of Cafius mutatus. The species has documented distribution records along the western coast of North America from Alaska to California, with additional records from British Columbia and Oregon.
Cafius lithocharinus
Cafius lithocharinus is a species of rove beetle in the family Staphylinidae, tribe Staphylinini, subtribe Philonthina. Originally described as Philonthus lithocharinus by LeConte in 1863, it was later transferred to the genus Cafius. The species occurs along the Pacific coast of North America from British Columbia to Mexico. It is one of approximately 35 species in the genus Cafius, a group predominantly associated with marine and intertidal habitats.
Cafius luteipennis
Cafius luteipennis is a large rove beetle in the family Staphylinidae, first described by Horn in 1884. The species occurs along the Pacific coast of North America, ranging from British Columbia south to Baja California. As a member of the Philonthina subtribe, it belongs to a group of predatory rove beetles commonly associated with coastal and riparian habitats.
Cafius seminitens
Cafius seminitens is a large rove beetle in the family Staphylinidae, described by Horn in 1884. It occurs in western North America, ranging from British Columbia through California and Oregon to Washington, with records extending to Mexico. The species belongs to the subtribe Philonthina, a group of predatory rove beetles commonly associated with decaying organic matter.
Callicerus obscurus
Callicerus obscurus is a rove beetle (Staphylinidae: Aleocharinae: Geostibini) described by Gravenhorst in 1802. The species has a Palearctic distribution centered in Europe, with records from Austria, Belgium, Croatia, Czech Republic, Germany, Finland, France, Great Britain, Georgia, Hungary, Ireland, Italy, Lithuania, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland, as well as central European Russia. It has been introduced to Ontario, Canada. The species is known from 27 iNaturalist observations but lacks detailed published biological studies.
Calodera
Calodera is a genus of rove beetles in the family Staphylinidae, first described by Mannerheim in 1830. It contains at least seven described species and has a cosmopolitan distribution. Members belong to the subfamily Aleocharinae, tribe Oxypodini, and are characterized by the typical short elytra and flexible abdomen of staphylinid beetles.
Calodera parviceps
Calodera parviceps is a species of rove beetle (Staphylinidae) in the subfamily Aleocharinae. First described by Casey in 1893, this small beetle is distributed across northern North America including Canada and Alaska. It belongs to the tribe Oxypodini, a group of aleocharine rove beetles. The species epithet "parviceps" (small head) likely refers to a distinguishing morphological feature.
Carcinocephalus flavidus
winter rove beetle
Carcinocephalus flavidus, known as the winter rove beetle, is a species of rove beetle in the family Staphylinidae. It is notable for its unusual winter activity period and distinct wing dimorphism between sexes. The species was originally described as Omalium flavidum by Hamilton in 1895. It occurs in northeastern North America, where it has been observed on snow during winter months.
Carpelimus
spiny-legged rove beetles
Carpelimus is a genus of rove beetles (Staphylinidae: Oxytelinae) containing at least 100 described species. Members are commonly referred to as spiny-legged rove beetles. The genus has a broad distribution spanning the Palearctic, Oriental, and other regions, with recent records documenting range extensions in Southeast Asia and South Asia. At least one species, Carpelimus rivularis, has been documented as a host for phoretic mites (Pygmephoridae).
Carpelimus aridus
Carpelimus aridus is a small rove beetle (Staphylinidae: Oxytelinae) described by Jacquelin du Val in 1857. The species is distributed across the Caribbean region, with records from Cuba, Jamaica, Haiti, the Dominican Republic, Puerto Rico, and the Cayman Islands, as well as parts of mainland Central America including Mexico and Guatemala. As a member of the spiny-legged rove beetle subfamily Oxytelinae, it belongs to a group characterized by modified legs and association with riparian or moist habitats.
Carpelimus dentiger
Carpelimus dentiger is a small rove beetle in the family Staphylinidae, subfamily Oxytelinae. It is known from the southwestern United States (Arizona and New Mexico). As a member of Carpelimus, it likely inhabits moist, organic-rich environments near water or in decomposing materials, though specific ecological details remain poorly documented.
Carpelimus gracilis
Carpelimus gracilis is a rove beetle in the family Staphylinidae, subfamily Oxytelinae. The species is native to Europe but has been introduced to North America, with established populations in eastern Canada and the northeastern United States. It has been recorded across a broad Palearctic range extending from Western Europe through Russia and into Central Asia, as well as North Africa and the Middle East.
Carpelimus obliquus
Carpelimus obliquus is a species of spiny-legged rove beetle in the family Staphylinidae. It is native to North America, with records from California. The species was described by Thomas Casey in 1889 and is currently accepted under this name.
Carpelimus probus
spiny-legged rove beetle
Carpelimus probus is a species of spiny-legged rove beetle described by Casey in 1889. It belongs to the large family Staphylinidae, which comprises over 60,000 described species of rove beetles. The species is documented from limited localities in eastern North America.
Carpelimus vancouverensis
spiny-legged rove beetle
Carpelimus vancouverensis is a species of spiny-legged rove beetle in the family Staphylinidae, first described by Hatch in 1957. It belongs to a genus characterized by modified hind legs with spiny or setose structures. The species is known from the Pacific Northwest region of North America.
Carphacis dimidiatus
Carphacis dimidiatus is a species of rove beetle in the family Staphylinidae, subfamily Mycetoporinae. The species was described by Erichson in 1839 and is currently accepted as valid. It is distributed across the eastern and central United States, with records from 16 states ranging from the Mid-Atlantic to the Midwest and Southeast.
Carphacis effrenatus
Carphacis effrenatus is a species of rove beetle described by Herman in 2001. It belongs to the subfamily Mycetoporinae within the family Staphylinidae. The species has been recorded across eastern North America from Canada to the southeastern United States.
Catalinus angustus
Catalinus angustus is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. These beetles are among the smallest staphylinids, typically associated with leaf litter and decaying organic matter in forested habitats. The genus Catalinus belongs to the tribe Stenichnini, a group characterized by their small size and specialized ecological roles in decomposition systems. Records indicate this species occurs in California, USA.
Ceophyllus
Ceophyllus is a genus of ant-loving beetles in the family Staphylinidae, established by LeConte in 1849. The genus contains a single described species, C. monilis. These beetles belong to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies.
Cephenniini
Cephenniini is a tribe of minute rove beetles within the subfamily Scydmaeninae (Staphylinidae). The tribe was first described by Reitter in 1882 and contains the genera Cephennodes and Cephennomicrus. These beetles are distributed across the Afrotropical, Oriental, and Australasian regions, with records from Africa, Madagascar, Indian Ocean islands, Southeast Asia, China, Taiwan, Japan, Papua New Guinea, Australia, and Pacific islands. Recent taxonomic work has documented first records in South Africa, Christmas Island, and the Philippines.
Cephennium
Cephennium is a genus of minute rove beetles in the family Staphylinidae, subfamily Scydmaeninae, first described by Müller and Kunze in 1822. The genus is predominantly western European in distribution but has been recorded across Europe, Northern America, the Middle East, and as far east as Kyrgyzstan. Recent taxonomic work has revealed substantial undescribed diversity, particularly in Turkey where 25 named species are now recognized. The genus has been introduced to North America via port cities, with C. gallicum documented from Halifax, Nova Scotia.
Cephennium aridum
Cephennium aridum is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. It was described in 2009 from California and is distinguished by its association with arid habitats. The specific epithet "aridum" refers to the dry conditions of its type locality. Members of this genus are among the smallest beetles, often less than 2 mm in length.
Cephennodes corporosus
Cephennodes corporosus is a species of rove beetle in the family Staphylinidae, subfamily Scydmaeninae. Originally described by John Lawrence LeConte in 1852 under the genus Sphex (a wasp genus), this species has since been reclassified to the beetle genus Cephennodes. It belongs to a group of minute rove beetles, with most members of this subfamily measuring less than 2 mm in length. The species is known from scattered records in the eastern and central United States.
Charhyphus
Charhyphus is a genus of rove beetles in the family Staphylinidae, established by Sharp in 1887. The genus contains five described species, all restricted to North America. Species range from the southwestern United States (Arizona) to broader distributions across the continent. The genus is part of the megadiverse rove beetle family, though specific ecological and behavioral traits remain poorly documented.
Charhyphus arizonensis
A small rove beetle species in the subfamily Phloeocharinae, described from Arizona in 1972. Like other members of Staphylinidae, it exhibits the characteristic short elytra that leave much of the abdomen exposed. The genus Charhyphus contains few described species, and C. arizonensis appears restricted to the southwestern United States.
Chevrolatia amoena
Chevrolatia amoena is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. The species was described by John Lawrence LeConte in 1866. It belongs to the tribe Chevrolatiini, a group of small beetles often referred to as ant-like stone beetles due to their compact form and behavior. The genus Chevrolatia is named after the French entomologist Louis Alexandre Auguste Chevrolat.
Cilea
Cilea is a genus of rove beetles (Staphylinidae: Tachyporinae: Vatesini) established by Jacquelin du Val in 1856. The genus has been taxonomically confused with Leucoparyphus Kraatz, and its priority over that name has been established. In North America north of Mexico, only Cilea silphoides (Linnaeus) is present. The genus is distinguished from the related genus Coproporus by morphological characters including male genitalia structure.
Cilea silphoides
Cilea silphoides is a rove beetle (Staphylinidae: Tachyporinae) originally described by Linnaeus in 1767 as Staphylinus silphoides. It is the sole species of the genus Cilea treated in the 1975 North American revision by Campbell and Davies, which provided detailed morphological descriptions, distribution mapping, and male genitalia illustrations. The species has been taxonomically confused with related genera, and its name has undergone clarification regarding generic priority. It is distinguished from the related genus Coproporus by structural features of the male genitalia and external morphology.
Clavilispinus rufescens
unmargined rove beetle
Clavilispinus rufescens is a species of unmargined rove beetle in the family Staphylinidae. It is distributed across the southeastern United States, Mexico, Guatemala, and Brazil. The species was described by John Lawrence LeConte in 1863. As a member of the Osoriinae subfamily, it belongs to a group of small, typically soil-dwelling rove beetles with reduced or absent elytral margins.
Coenonica puncticollis
Coenonica puncticollis is a small rove beetle (family Staphylinidae) in the subfamily Aleocharinae. Originally described from Madagascar in 1857, this species has been introduced to multiple regions worldwide and is now established in Australia, New Zealand, parts of Europe, Egypt, the United States (Florida), and various Caribbean and South American localities. Its native range encompasses the Oriental region, Ryukyu Islands, New Guinea, Tahiti, Tanzania, Madagascar, Mauritius, Réunion, and the Seychelles. The species belongs to the tribe Homalotini within the diverse aleocharine rove beetles.
Colusa
Colusa is a genus of rove beetles (Staphylinidae) in the subfamily Aleocharinae, established by Thomas L. Casey in 1885. The genus belongs to the tribe Oxypodini and is part of the diverse and species-rich rove beetle family, which is characterized by abbreviated elytra that expose most of the abdomen. Little is known about the biology or species diversity of this genus.
Conoplectus
Conoplectus is a genus of ant-loving beetles in the family Staphylinidae, established by Brendel in 1888. The genus contains five described species, all described or redescribed by Carlton in 1983 except for C. canaliculatus, which was originally described by LeConte in 1849. Members of this genus belong to the subfamily Pselaphinae, a diverse group of small rove beetles commonly associated with ants and other social insects.
Conoplectus canaliculatus
Conoplectus canaliculatus is a small rove beetle in the family Staphylinidae, specifically within the subfamily Pselaphinae. It is one of many species commonly referred to as "ant-loving beetles" due to their ecological association with ant colonies. The species was first described by John Lawrence LeConte in 1849 and has a broad distribution across eastern and central North America, with records from Canada and much of the eastern and central United States.
Coprophilus striatulus
Coprophilus striatulus is a species of rove beetle in the family Staphylinidae, characterized by its elongated body and reduced elytra typical of the family. The species is native to Europe and parts of Northern Asia, and has been introduced to eastern North America. It belongs to the spiny-legged rove beetle group, referring to modifications of the hind legs in males.
Coproporus
Coproporus is a genus of rove beetles in the family Staphylinidae, subfamily Tachyporinae, tribe Vatesini. The genus has a cosmopolitan distribution with records from North America, Europe, and South America. Taxonomic revision has clarified confused generic usage and resolved synonymies, particularly distinguishing Coproporus from the related genus Cilea. Nine species occur in North America north of Mexico, with additional species documented from Mexico, Panama, Argentina, and Brazil.
Coproporus pulchellus
Coproporus pulchellus is a species of rove beetle in the family Staphylinidae, originally described by Erichson in 1839 under the basionym Tachinus pulchellus. It belongs to the subfamily Tachyporinae and tribe Vatesini. The species has been recorded from several islands in the Azores archipelago (Faial, Flores, Graciosa, Pico, São Jorge).
Creophilus
hairy rove beetle
Creophilus is a genus of large rove beetles (Staphylinidae) containing some of the largest species in the family, reaching up to 30 mm in length. The genus includes approximately 12 described species distributed globally, with C. maxillosus being the most widely studied due to its forensic significance. Species in this genus are strongly associated with carrion habitats where they function as predators of fly larvae. The genus was revised in 2011, with two new species described and several synonymizations.
Ctenisis
Ctenisis is a genus of myrmecophilous rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was established by Raffray in 1890 and contains at least two described species: C. raffrayi (Casey, 1894) and C. phylanderi (Chandler, 2003). Members of this genus are classified within the tribe Ctenistini and are known for their association with ant colonies.
Ctenisodes
Ctenisodes is a genus of ant-loving beetles in the family Staphylinidae, first described by Raffray in 1897. The genus belongs to the subfamily Pselaphinae, a diverse group of small rove beetles commonly associated with ant colonies. Approximately 14 species have been described. These beetles are part of the tribe Ctenistini within the supertribe Pselaphitae.
Ctenistini
ant-loving beetles
Ctenistini is a tribe of minute ant-loving beetles in the rove beetle family Staphylinidae, specifically within the subfamily Pselaphinae. The tribe was established by Blanchard in 1845 with Ctenistes as the type genus. It comprises at least five genera and approximately six described species, though the group remains poorly studied.
Custotychus
Custotychus is a genus of rove beetles (Staphylinidae) in the subfamily Pselaphinae, tribe Tychini. The genus was established by Park and Wagner in 1962. Members of this genus are small beetles associated with forest floor habitats. The genus is rarely encountered, with only four observations recorded on iNaturalist as of the source data.
Cyparium ater
Cyparium ater is a species of rove beetle in the family Staphylinidae, subfamily Scaphidiinae. Described by Casey in 1900, this species is currently treated as a synonym of Cyparium atrum. The genus Cyparium belongs to the tribe Cypariini within the scaphidiine rove beetles. Very little is known about the biology or ecology of this species.
Cyparium concolor
Cyparium concolor is a rove beetle in the subfamily Scaphidiinae, a group commonly known as shining fungus beetles. The species was described by Fabricius in 1801 and is native to eastern North America. Scaphidiine beetles are generally associated with fungal substrates, though specific ecological details for C. concolor remain limited.
Cypha
Cypha is a genus of rove beetles (Staphylinidae) established by Leach in 1819. The genus contains multiple described species and has an almost cosmopolitan distribution. As members of the subfamily Aleocharinae and tribe Hypocyphtini, these beetles are part of one of the most species-rich lineages of rove beetles. The genus is distinguished from related taxa by specific morphological characters of the mouthparts and genitalia.
Cyphea
Cyphea is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, and tribe Homalotini. It was described by Fauvel in 1863. The genus contains at least one described species, Cyphea curtula. Members of this genus are found in Europe and North America.
Cyrtoquedius
Cyrtoquedius is a genus of rove beetles in the family Staphylinidae, established by Bernhauer in 1917. It belongs to the subtribe Cyrtoquediina within the tribe Staphylinini. The genus contains relatively few described species and is poorly represented in scientific literature. Available records indicate limited observational data, with only 26 documented observations on iNaturalist.
Cyrtoquedius verres
Cyrtoquedius verres is a species of rove beetle in the family Staphylinidae, first described by Smetana in 1971. It belongs to the subtribe Cyrtoquediina within the tribe Staphylinini. The species is documented from multiple U.S. states and Mexico, indicating a broad distribution across the southeastern and south-central United States and adjacent Mexico. As a member of Staphylinidae, it possesses the characteristic short elytra that leave most of the abdomen exposed.
Dacnochilus angularis
Dacnochilus angularis is a rove beetle (family Staphylinidae, subfamily Paederinae) described by Erichson in 1840. It belongs to the tribe Lathrobiini within the diverse rove beetle assemblage. The species has been recorded from the southern United States through Central America, with confirmed occurrences in Alabama, Texas, Mexico, Guatemala, Honduras, Nicaragua, and Costa Rica. Records from Colombia and Venezuela appear to be erroneous. Like other members of Staphylinidae, this species exhibits the characteristic shortened elytra that leave most of the abdomen exposed.
Dadobiina
Dadobiina is a subtribe of rove beetles within the family Staphylinidae, established by Muona in 1979. It is classified within the tribe Athetini and subtribe Athetina of the subfamily Aleocharinae. The subtribe is currently treated as a synonym in the Catalogue of Life. Dadobiina represents a historical taxonomic grouping within the diverse and species-rich aleocharine rove beetles.
Dalmosella tenuis
Dalmosella tenuis is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It is a small beetle belonging to the tribe Trichonychini within the diverse Pselaphinae, a group known for their compact bodies and reduced elytra. The species was described by Thomas L. Casey in 1897 and occurs across eastern North America.
StaphylinidaePselaphinaerove-beetleNorth-AmericaCasey-1897TrichonychiniDalmosellaColeopterabeetleinsectarthropodAnimaliaInsectaPolyphagaStaphyliniformiaStaphylinoideaEuplectitaeTrimiinaNew-BrunswickAlabamaDistrict-of-ColumbiaFloridaGeorgiaKentuckyLouisianaMassachusettsMaineMississippiNorth-CarolinaNew-HampshireNew-JerseyOhioOklahomaPennsylvaniaTennesseeVirginiaUSACanadaeastern-North-AmericaDasycerinae
Dasycerinae is a small subfamily of rove beetles (Staphylinidae) containing one extant genus (Dasycerus) and three extinct genera. These beetles are characterized by their compact body form with elytra that cover or nearly cover the abdomen, unlike the typically abbreviated elytra of most rove beetles. The subfamily is notable for its relictual distribution and association with moist forest habitats.
Dasycerus angulicollis
Dasycerus angulicollis is a species of rove beetle in the family Staphylinidae, described by Horn in 1882. It belongs to the subfamily Dasycerinae, a small and morphologically distinctive group within the rove beetles. The species is known from California, USA, with limited published information available regarding its biology and ecology. Members of the genus Dasycerus are characterized by their unusual body form among staphylinids.
Dasycerus carolinensis
Dasycerus carolinensis is a flightless rove beetle endemic to the southern Appalachian Mountains of eastern North America. Phylogeographic studies reveal deep genetic divergence between populations east and west of the French Broad River, with divergence estimated at approximately 5.8 million years ago. The species inhabits forest leaf litter and shows evidence of cryptic differentiation across its range. Despite being flightless, it has persisted across both old-growth forest fragments and secondary growth forests.
Dasycerus unicoi
Dasycerus unicoi is a species of rove beetle in the subfamily Dasycerinae, a small group of beetles characterized by their distinctive compact, rounded body form that differs markedly from the typically elongate shape of most staphylinids. The species epithet 'unicoi' references the Unicoi Mountains, part of the southern Appalachian range in eastern Tennessee and western North Carolina. This beetle is associated with high-elevation forest habitats in the Great Smoky Mountains region.
Dasygnypeta
Dasygnypeta is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, and tribe Tachyusini. It was described by Lohse in 1974. The genus is known from Europe, with records from Denmark, Norway, and Sweden. A single species, Dasygnypeta velata, has been described.
Decarthron discolor
ant-loving beetle
Decarthron discolor is a species of rove beetle in the family Staphylinidae, specifically within the ant-associated subfamily Pselaphinae. The species was described by Brendel in 1890 and is recorded from the southwestern United States. Like other members of its genus, it is classified as an "ant-loving beetle" due to its ecological association with ant colonies.
Decusa expansa
Decusa expansa is a rove beetle species in the family Staphylinidae, subfamily Aleocharinae, described by John Lawrence LeConte in 1866. It belongs to the tribe Oxypodini within the subtribe Dinardina. The species has been documented from several eastern and midwestern U.S. states. Like other aleocharine rove beetles, it is likely small-bodied with reduced elytra typical of the family.
Deinopteroloma
Deinopteroloma is a genus of rove beetles (Staphylinidae: Omaliinae: Anthophagini) established by Jansson in 1946. The genus was transferred from Silphidae to Staphylinidae based on morphological evidence and is now classified within the Anthobium group of genera. Species occur in the Pacific Northwest of North America, the Nepal Himalayas, northeastern Burma, China (Sichuan, Yunnan), and northern Vietnam. The genus includes at least nine described species, with several new species described from China and Vietnam in 2016.
Devia
Devia is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae. The genus was established by Blackwelder in 1952 and is classified within the tribe Oxypodini. Rove beetles in this genus are small, elongate beetles with the characteristic abbreviated elytra that leave much of the abdomen exposed. The genus is distinct from the plant genus Devia (Iridaceae), which was described later by Goldblatt & Manning in 1990.
Devia prospera
Devia prospera is a rove beetle (Staphylinidae: Aleocharinae) described by Erichson in 1839. The species has a Holarctic distribution, occurring naturally across northern Eurasia from Europe through Russia to Japan, and has been introduced to North America where it is now established across Canada and the northern United States. As a member of the diverse rove beetle family, it inhabits various terrestrial environments where these beetles are typically found.
Diaulota fulviventris
Diaulota fulviventris is a flightless intertidal rove beetle in the family Staphylinidae. It is one of two species in a lineage that crossed the Pacific Ocean directly from the northwestern Pacific to the northeastern Pacific, likely via sea surface currents, rather than following the coastal route taken by most congeners. The species occurs in western North America and Mexico.
Diestota
Diestota is a genus of rove beetles (Staphylinidae) in the subfamily Aleocharinae, tribe Diestotini. The genus was established by Mulsant & Rey in 1870. Members of this genus are small, typically inconspicuous beetles associated with decaying organic matter. Very few observations of this genus exist in public databases, suggesting either genuine rarity or undercollecting due to their cryptic habits.
Dinaraea
Dinaraea is a genus of rove beetles in the family Staphylinidae, tribe Athetini, comprising approximately 16 described species. The genus is saproxylic, inhabiting dead wood habitats including subcortical galleries, rotting tree trunks, and polypore fruiting bodies. Larval morphology was first described in 2018 based on two European species, revealing diagnostic characters for the genus and distinct morphological differences between early (L1) and late (L2–3) larval instars.
Dinaraea aequata
Dinaraea aequata is a small rove beetle (2.5–3.7 mm) in the subfamily Aleocharinae, native to Europe and parts of Asia. It is saproxylic, inhabiting subcortical galleries of decaying wood and fungal fruiting bodies. The species was among the first in its genus to have its larval morphology and life history described in detail, including all three instars, prepupa, and pupal cocoon.
Dinaraea angustula
Rove beetle
Dinaraea angustula is a small rove beetle (Staphylinidae) first described by Gyllenhal in 1810. Originally placed in Aleochara, it was later transferred to Dinaraea. The species has a Holarctic distribution, occurring naturally across Europe and northern Asia, with introduced populations established in North America. It is one of many aleocharine rove beetles characterized by reduced elytra and a compact body form.
Dinardina
Dinardina is a subtribe of rove beetles (Staphylinidae) within the tribe Oxypodini, subfamily Aleocharinae. It was established by Mulsant & Rey in 1873. The subtribe contains small to minute beetles associated with ant colonies. Members exhibit myrmecophilous (ant-associated) lifestyles, though specific ecological relationships vary among included genera. The subtribe is primarily documented from European faunas.
Dinocoryna
Dinocoryna is a genus of rove beetles (family Staphylinidae) in the tribe Lomechusini, subfamily Aleocharinae. The genus was established by Casey in 1893 and contains at least six described species distributed in North America. Members of this genus are myrmecophilous, meaning they are associated with ant colonies.
Dinothenarus badipes
Dinothenarus badipes is a rove beetle in the family Staphylinidae, widespread across northern North America. The species inhabits forested and open terrestrial environments, with records spanning 312 iNaturalist observations. It belongs to a genus of moderate-sized rove beetles with characteristic body proportions.
Dinothenarus nigrellus
Dinothenarus nigrellus is a species of rove beetle in the family Staphylinidae. It is a relatively obscure species with limited published biological information, known primarily from collection records in western North America. The genus Dinothenarus belongs to the tribe Staphylinini, one of the largest and most diverse groups within rove beetles.
Dinothenarus saphyrinus
Dinothenarus saphyrinus is a rove beetle in the family Staphylinidae, first described by LeConte in 1861. The species belongs to the genus Dinothenarus, a group within the large and diverse rove beetle family. Records indicate it occurs in western North America, with confirmed observations from British Columbia, Canada. Like other staphylinids, it has short elytra that leave most of the abdomen exposed. The genus Dinothenarus is relatively small and poorly documented in the literature.
Diochini
Diochini is a tribe of rove beetles within the subfamily Staphylininae, established by Casey in 1906. The tribe contains at least 2 genera and 84 described species. Coomania was historically included but was removed to its own monotypic tribe Coomaniini in 2020. Members are small to medium-sized predatory beetles with the characteristic short elytra of rove beetles.
Diochus
Diochus is a genus of rove beetles (Staphylinidae) with cosmopolitan distribution, though most species diversity occurs in the Neotropical region. The genus comprises over 80 described species organized into six species groups based on morphological characteristics. Taxonomic revision has synonymized some historically described species and clarified species boundaries through detailed morphological analysis.
Diochus schaumii
Diochus schaumi is a rove beetle in the family Staphylinidae, originally described by Kraatz in 1860 as D. schaumii. It belongs to the D. schaumii-group, which includes four other Neotropical species: D. angustiformis, D. argentinus, D. brunneus, and D. curtipennis. The species was synonymised with D. vilis Sharp, 1885. It has a broad geographic range spanning North, Central, and South America, as well as the Caribbean.
Dropephylla
Dropephylla is a genus of rove beetles (Staphylinidae) established by Mulsant & Rey in 1880. The genus belongs to the subfamily Omaliinae and has been the subject of taxonomic revision for Palaearctic species. Records indicate presence in northern Europe including Denmark, Norway, and Sweden.
Dropephylla cacti
Dropephylla cacti is a rove beetle species in the family Staphylinidae, subfamily Omaliinae, described by Schwarz in 1899. The species epithet 'cacti' suggests an association with cactus habitats. It is recorded from arid and semi-arid regions of the southwestern United States including Arizona, California, Colorado, New Mexico, and Nevada. As a member of the omaliine rove beetles, it likely inhabits decaying plant matter, though specific ecological details remain poorly documented.
Drusilla
Drusilla is a genus of rove beetles in the family Staphylinidae, established by Leach in 1819. It belongs to the tribe Lomechusini within the subfamily Aleocharinae. At least two species have been described in this genus. Members are small beetles with the characteristic short elytra of rove beetles, exposing most of the abdomen.
Dytoscotes pacificus
Dytoscotes pacificus is a species of rove beetle in the family Staphylinidae, subfamily Phloeocharinae. It was described by Smetana and Campbell in 1980. The species is known from Oregon in the western United States. Very little information is available about its biology, ecology, or specific habitat requirements.
Earota
Earota is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, tribe Geostibini. The genus was established by Mulsant and Rey in 1873. As a member of Geostibini, Earota belongs to a group of aleocharine rove beetles often associated with soil and ground-dwelling habitats. The genus contains relatively few described species and remains poorly studied in comparison to more speciose aleocharine genera.
Echiasterina
Echiasterina is a subtribe of rove beetles within the family Staphylinidae, established by Casey in 1905. It belongs to the tribe Lathrobiini in the subfamily Paederinae. Members of this subtribe are small to medium-sized beetles characterized by the typically short elytra that expose much of the abdomen, a defining feature of Staphylinidae. The group has limited observational records, with 47 observations documented on iNaturalist. Information regarding specific species composition, biology, and ecological roles remains sparse in published literature.
Ecitonidia wheeleri
Ecitonidia wheeleri is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae. It was described by Wasmann in 1900. The species belongs to the tribe Lomechusini, which includes many myrmecophilous (ant-associated) beetles. This species has been recorded from several states in the south-central and southwestern United States.
Ecitoxenidia
Ecitoxenidia is a genus of rove beetles (Staphylinidae) established by Wasmann in 1909. The genus contains five described species distributed in North America. Based on its tribal placement in Lomechusini, members are likely myrmecophiles (ant-associated), though direct host records are not documented in available sources.
Ecitoxenidia alabamae
Ecitoxenidia alabamae is a species of rove beetle described by Seevers in 1959. It belongs to the subtribe Myrmedoniina within the tribe Lomechusini, a group known for myrmecophilous (ant-associated) associations. The species is documented from the southeastern United States.
Eleusis
Eleusis is a genus of rove beetles in the family Staphylinidae, subfamily Osoriinae, tribe Eleusinini. Members of this genus are small, elongate beetles with reduced elytra characteristic of the family. The genus was established by Laporte de Castelnau in 1835 and contains species distributed in various regions.
Empelinae
Empelinae is a small subfamily of rove beetles (Staphylinidae) with poorly understood biology. The subfamily contains a single monotypic genus, Empelus, with only one described species, Empelus brunipennis. Members are minute beetles under 2 mm in length, found in secluded microhabitats including forest leaf litter, fungi, and moss along stream edges. Their reclusive ecology has made collection and study difficult, resulting in substantial gaps in knowledge about their life history and behavior.
Empelus
Empelus is a genus of rove beetles in the subfamily Empelinae, established by John Lawrence LeConte in 1861. The genus is part of the hyperdiverse family Staphylinidae, one of the largest families of organisms. Members of Empelinae are characterized by distinctive morphological features including reduced wing venation and specialized mouthpart structures. The genus remains poorly known, with limited species documentation and biological data available.
Ephelinus
Ephelinus is a genus of rove beetles (Staphylinidae) in the subfamily Omaliinae, described by Cockerell in 1906. The genus belongs to the tribe Coryphiini and is characterized by small body size and association with coastal or intertidal habitats. Species in this genus are poorly documented, with limited ecological and behavioral information available.
Ephelinus guttatus
Ephelinus guttatus is a species of rove beetle (Staphylinidae) in the subfamily Omaliinae. The species was described by John Lawrence LeConte in 1863. It is native to the eastern and southern United States. Like other members of the genus, it likely inhabits leaf litter and decaying organic matter in forested habitats.
Ephelinus notatus
A small rove beetle in the family Staphylinidae, Ephelinus notatus is a rarely encountered species with limited documented ecological information. The genus Ephelinus belongs to the subfamily Omaliinae, a group of rove beetles often associated with decaying organic matter and forest floor habitats. Based on its taxonomic placement and the distribution records from eastern and central United States, this species likely inhabits moist woodland environments where other Omaliinae species are commonly found.
Erichsonius brachycephalus
A small rove beetle in the genus Erichsonius, described by J.H. Frank in 1975. The species epithet 'brachycephalus' (short-headed) refers to its relatively compact head shape compared to congeners. Records are sparse, with documented occurrences in eastern North America.
Erichsonius patella
Kneecap Rove Beetle
Erichsonius patella, commonly known as the Kneecap Rove Beetle, is a species of rove beetle in the family Staphylinidae. It is a member of the large and diverse genus Erichsonius within the tribe Erichsoniina. The species was first described by George Henry Horn in 1884. Like other rove beetles, it exhibits the characteristic abbreviated elytra that expose most of the abdomen.
Euaesthetinae
A subfamily of rove beetles (Staphylinidae) containing six tribes. Members are distinguished by slender antennae with two or three apical antennomeres forming a loose club, and tarsal segmentation of 4-4-4 or 5-5-5 (5-5-4 in some exotic genera). Five genera and 22 species are recorded from North America. The genus Octavius, primarily distributed in the Afrotropical region, has been subject to recent taxonomic revision in South Africa.
Euaesthetini
Euaesthetini is a tribe of rove beetles (Staphylinidae) within the subfamily Euaesthetinae, established by Thomson in 1859. Members are small, often minute beetles characterized by distinctive antennal and mouthpart structures. The tribe is distinguished from the related Stenina by specific morphological features of the head and antennae. Euaesthetini contains multiple genera distributed across various biogeographic regions.
Euaesthetus brevipennis
Euaesthetus brevipennis is a species of rove beetle in the family Staphylinidae, described by Casey in 1884. It belongs to the subfamily Euaesthetinae, a group of small staphylinid beetles often associated with forest floor habitats. The species epithet 'brevipennis' refers to its short-winged condition. Current taxonomic status is ambiguous synonym, suggesting potential taxonomic uncertainty or consolidation with related species.
Euaesthetus similis
Euaesthetus similis is a rove beetle species in the family Staphylinidae, first described by Casey in 1884. It belongs to the subfamily Euaesthetinae, a group of small staphylinids often associated with forest litter and soil habitats. The species has a broad transcontinental distribution across North America, with records from Canada through the United States to Mexico.
Eucnecosum
Eucnecosum is a genus of rove beetles (Staphylinidae: Omaliinae) established by Reitter in 1909. The genus comprises three valid holarctic species: E. brachypterum, E. tenue, and E. brunnescens, all transferred from the genus Arpedium. These beetles occur in both Europe and North America, with E. tenue having been previously described under multiple synonyms including E. meybohmi.
Eucnecosum brunnescens
Eucnecosum brunnescens is a rove beetle in the family Staphylinidae, subfamily Omaliinae. The species was originally described by Sahlberg in 1871 under the genus Arpedium, and later transferred to Eucnecosum. It has a Holarctic distribution, occurring across northern Europe, Russia, and North America from Alaska through Canada to the northern United States.
Euconnus montanus
Euconnus montanus is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. The species was described in 2021 by Stephan & O'Keefe. Scydmaenine beetles are commonly known as ant-like stone beetles due to their small size and compact body form. Members of the genus Euconnus are among the smallest beetles, typically measuring less than 2 mm in length.
Euconnus pecki
Euconnus pecki is a species of ant-like stone beetle (family Staphylinidae, subfamily Scydmaeninae) described in 2021 by Stephan and Chandler. It belongs to a large genus of minute beetles characterized by compact bodies and reduced wing venation. The species is known from scattered localities in the south-central United States.
Euconnus salinator
Euconnus salinator is a minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. Members of this genus are among the smallest beetles, often measuring under 2 mm. The species has been recorded across eastern North America from Canada to Florida. Scydmaenine beetles are primarily associated with leaf litter and soil habitats where they prey on oribatid mites.
Eudectus
Eudectus is a genus of rove beetles in the family Staphylinidae, subfamily Omaliinae. The genus was established by Redtenbacher in 1857 and contains at least two described species. Members are found in disjunct regions of Europe and Japan, suggesting a relictual distribution pattern.
Eumicrota socia
Eumicrota socia is a species of rove beetle in the family Staphylinidae, first described by Erichson in 1839. It belongs to the subfamily Aleocharinae and tribe Homalotini. The species is known from scattered records across eastern North America. Like other members of its genus, it is presumed to be associated with fungi, though specific ecological details remain poorly documented.
Euphaniini
spiny-legged rove beetles
Euphaniini is a tribe of rove beetles (Staphylinidae) established by Reitter in 1909, commonly referred to as spiny-legged rove beetles. The tribe comprises at least eight extant and extinct genera, including Deleaster, Euphanias, Mitosynum, Oxypius, Platydeleaster, and Syntomium, plus the fossil genera Protodeleaster and Pseudanotylus. Members of this tribe are classified within the subfamily Oxytelinae.
Euplectus
ant-loving beetles
Euplectus is a genus of minute rove beetles in the subfamily Pselaphinae, commonly referred to as ant-loving beetles. The genus contains approximately 13 described species. Members of this genus are characterized by their small size, compact body form, and close ecological associations with ants. They belong to the tribe Euplectini within the diverse family Staphylinidae.
Euplectus acomanus
Euplectus acomanus is a minute rove beetle (Staphylinidae: Pselaphinae) described by Casey in 1908. It belongs to the tribe Euplectini, a group of small, often myrmecophilous beetles characterized by compact bodies and reduced elytra. The species has been recorded across eastern North America and the southwestern United States, with scattered Canadian occurrences. Like other pselaphines, it likely inhabits moist leaf litter and soil microhabitats.
Eupsenius
Eupsenius is a genus of ant-loving beetles in the family Staphylinidae, subfamily Pselaphinae. The genus contains approximately six described species distributed primarily in North America. Members of this genus are myrmecophilous, living in association with ant colonies. The genus was established by John Lawrence LeConte in 1849.
Eusphalerini
Eusphalerini is a tribe of rove beetles within the subfamily Omaliinae, established by Hatch in 1957. The tribe contains small to medium-sized beetles characterized by particular configurations of the abdominal tergites and wing venation. Members are primarily found in the Northern Hemisphere, with greatest diversity in the Palearctic and Nearctic regions. The group remains relatively poorly studied compared to other omaliine tribes.
Eusphalerum carolinensis
Eusphalerum carolinensis is a species of rove beetle in the family Staphylinidae, described by Zanetti in 2014. It belongs to the subfamily Omaliinae and tribe Eusphalerini. The species is known from multiple states in the eastern and central United States.
Eusphalerum convexum
Eusphalerum convexum is a small rove beetle in the family Staphylinidae, subfamily Omaliinae. The species is known from eastern North America, with records spanning Canada and the northeastern and midwestern United States. Like other members of the genus, it is associated with decaying organic matter and fungal habitats.
Eusphalerum orientale
Eusphalerum orientale is a rove beetle in the subfamily Omaliinae, distributed across northeastern North America with scattered records extending to the Pacific Northwest. The species is documented from Canada and the United States, though specific ecological and behavioral details remain poorly studied. It belongs to a genus commonly associated with decaying organic matter and fungal habitats.
Eusphalerum pothos
Eusphalerum pothos is a species of rove beetle (Staphylinidae) in the subfamily Omaliinae. It is broadly distributed across northern North America, with records spanning Canada from British Columbia to the Atlantic provinces, and the northern United States from Alaska to the Northeast. The species is one of approximately 50 North American members of the genus Eusphalerum, a group of small omaliine rove beetles often associated with decaying plant matter and fungal habitats.
Eusphalerum rugulosum
Eusphalerum rugulosum is a small rove beetle in the subfamily Omaliinae, first described from North America in 1853. Members of this genus are generally associated with decaying plant matter and fungal habitats. The species has been documented across western and northern North America, with scattered records extending to the northeastern United States. It remains poorly studied, with limited published information on its biology.
Eusphalerum swauki
Eusphalerum swauki is a species of rove beetle in the family Staphylinidae, described by Hatch in 1957. It belongs to the subfamily Omaliinae, a group of small to medium-sized beetles often associated with decaying plant matter and fungal habitats. The species has a restricted distribution in western North America, with records from the Pacific Northwest and adjacent regions of Canada and the United States.
Euthiconus
Euthiconus is a genus of minute rove beetles in the family Staphylinidae, subfamily Scydmaeninae. The genus was established by Reitter in 1882 and contains five described species. These beetles are found in Europe and North America, with records from Denmark, Norway, and Sweden confirmed. The group belongs to the tribe Eutheiini within the ant-like stone beetle subfamily.
Eutrichites
Eutrichites is a genus of ant-loving beetles (subfamily Pselaphinae) in the family Staphylinidae. The genus was established by LeConte in 1880 and contains at least two described species: Eutrichites arizonensis (described 1989) and Eutrichites zonatus (described 1865). Members of this genus are small rove beetles associated with ant colonies.
Eutrichites zonatus
ant-loving beetle
Eutrichites zonatus is a species of ant-loving beetle in the family Staphylinidae, first described by Brendel in 1865. It is found across much of North America, with records from Canada and the United States. As a member of the subfamily Pselaphinae, it is associated with ant colonies, though specific ecological details remain poorly documented.
Eutyphlus schmitti
Eutyphlus schmitti is a minute ant-loving beetle in the family Staphylinidae, described by Raffray in 1904. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles frequently associated with ant colonies. The species is documented from multiple states in the eastern United States.
Falagria dissecta
Dissected Minute Rove Beetle
Falagria dissecta is a small rove beetle in the family Staphylinidae, characterized by its abbreviated elytra that expose most of the abdomen. The species is widely distributed across North America, with records spanning Canada and the United States. As a member of the tribe Falagriini, it belongs to a group of minute rove beetles that are often associated with decaying organic matter and soil habitats.
Falagria sulcata
Falagria sulcata is a rove beetle in the family Staphylinidae, distributed across Europe, Asia, and North America. The species has been introduced to Canada and the United States, with records from multiple provinces and states. GBIF lists it as a synonym of Falagria caesa, though sources vary in their taxonomic treatment. As a member of the tribe Falagriini, it belongs to a group of small to medium-sized aleocharine rove beetles.
Falagriini
Falagriini is a tribe of rove beetles within the subfamily Aleocharinae, containing approximately 11 genera and at least 20 described species. The tribe includes several myrmecophilous genera, with some species exhibiting associations with ants. Phylogenetic studies have clarified relationships within the tribe, including the recovery of Sceptobiini as nested within Falagriini.
Fenderia capizzii
Fenderia capizzii is a species of rove beetle in the family Staphylinidae, described by Hatch in 1957. It belongs to the subfamily Euaesthetinae, a group of small staphylinids often associated with forest floor habitats. The species is known from Oregon, USA, and appears to have a restricted distribution within the Pacific Northwest.
Fluviphirus
Fluviphirus is a genus of rove beetles in the family Staphylinidae, described by Brunke in 2021. It belongs to the subtribe Indoquediina within the tribe Staphylinini. The genus name suggests an association with riverine or fluvial habitats. As a recently described taxon, detailed biological information remains limited.
Fustiger
ant-loving beetles
Fustiger is a genus of myrmecophilous (ant-loving) beetles in the family Staphylinidae, belonging to the tribe Clavigerini. These beetles are highly specialized social parasites that live within ant colonies. The genus contains at least three described species: Fustiger fuchsii, Fustiger knausii, and Fustiger stricticornis. Members of this genus exhibit remarkable morphological adaptations for infiltrating ant nests and exploiting colony resources.
Gabrius astutoides
Gabrius astutoides is a rove beetle in the family Staphylinidae, subfamily Staphylininae. Originally described from Europe in 1946, it has established populations in eastern North America through human introduction. The species belongs to the diverse genus Gabrius, which contains numerous similar-looking species requiring careful examination for identification.
Gabrius brevipennis
Gabrius brevipennis is a rove beetle in the family Staphylinidae, described by Horn in 1884. Originally placed in the genus Philonthus, it was later transferred to Gabrius. The species is broadly distributed across northern North America, occurring in Canada from British Columbia to Newfoundland and in the northern United States from Washington to New England. Like other members of the tribe Philonthina, it is likely a predatory beetle associated with decaying organic matter and soil habitats. The specific epithet "brevipennis" refers to its relatively short elytra, a characteristic feature of many rove beetles.
Gabrius micropthalmus
Gabrius micropthalmus is a species of rove beetle in the family Staphylinidae, tribe Staphylinini. The species epithet 'micropthalmus' refers to its characteristically reduced eyes. It belongs to a genus of predatory rove beetles found primarily in the Northern Hemisphere. The species is known from limited records and is not well studied.
Gabrius ovaliceps
Gabrius ovaliceps is a species of rove beetle in the family Staphylinidae, described by Fall in 1930. It belongs to the large subtribe Philonthina within the tribe Staphylinini. The species is known from eastern North America, with records spanning from Ontario and Quebec south to Texas. Like other members of the genus Gabrius, it is a ground-dwelling beetle likely associated with moist habitats.
Gabrius vindex
Gabrius vindex is a species of rove beetle (family Staphylinidae) described by Smetana in 1995. It belongs to the subfamily Staphylininae, tribe Staphylinini, and subtribe Philonthina. The species is known from parts of North America including Canada and the northern United States. As a member of the large and diverse Staphylinidae family, it likely shares the general characteristics of predatory rove beetles, though specific details of its biology remain poorly documented in the available literature.
Gabronthus thermarum
Gabronthus thermarum is a rove beetle (Staphylinidae) originally described from Europe in 1850. The species has become widely distributed through human activity, with established populations across the Palearctic region and numerous introductions to the Americas, Africa, Asia, and Oceania. It is frequently associated with warm, moist environments including compost, manure, and decomposing organic matter. Its successful global spread makes it one of the more broadly distributed members of the genus Gabronhus.
Gauropterus fulgidus
Cold Rove Beetle
Gauropterus fulgidus is a species of rove beetle in the family Staphylinidae. It is native to Europe and has been introduced to parts of North America, including Ontario, Canada and the United States. The species has a notably broad distribution across the Palearctic region, extending from Europe through Asia to Japan, Korea, and parts of Southeast Asia. It has also been recorded from North Africa and the Middle East.
Geodromicus
Geodromicus is a genus of rove beetles (Coleoptera: Staphylinidae: Omaliinae: Anthophagini) established by Redtenbacher in 1857. The genus is distributed across the Palaearctic region, with species occurring from Western Europe through Central Asia to East Asia. Taxonomic research has organized species into multiple species groups including the bodemeyeri, convexicollis, brevicollis, plagiatus, major, lestevoides, crassipalpis, aokii, and sinuatus groups. The genus has been subject to extensive revision, with numerous synonymies established and several new species described in recent years.
Geodromicus brunneus
Geodromicus brunneus is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It is native to eastern North America, with documented records from Canada and the United States. The species was originally described by Thomas Say in 1823. Like other members of the genus Geodromicus, it is a ground-dwelling beetle typically found in forest floor habitats.
Geodromicus plagiatus
Geodromicus plagiatus is a rove beetle (Staphylinidae: Omaliinae) first described by Fabricius in 1798. It belongs to the plagiatus species group, one of several species groups within the genus defined by male genitalia morphology. The species has a broad Palaearctic distribution and has been recently recorded from previously unreported regions including Albania, Cataluña (Spain), Moldova, Georgia, Uzbekistan, and extensive areas of Russia.
Geodromicus strictus
Geodromicus strictus is a rove beetle in the family Staphylinidae, subfamily Omaliinae. The species was described by Fauvel in 1889 and occurs in northeastern North America. It is a member of the tribe Anthophagini, a group associated with riparian and moist forest habitats. Published records are sparse, with only two observations documented on iNaturalist as of the data cutoff.
Geostiba
Geostiba is a genus of rove beetles (Coleoptera: Staphylinidae) in the subfamily Aleocharinae, tribe Geostibini. The genus contains over 250 described species distributed across Europe, Asia, North America, and Australia. Many species are placed in subgenera including Sibiota, Tropogastrosipalia, Sipalotricha, and Typhlusida. Species are predominantly found in temperate regions, with significant diversity in the Caucasus, Mediterranean, and Appalachian Mountains. Several species have been documented as predators of tick nymphs in soil ecosystems.
Glandulariini
Glandulariini is a tribe of minute rove beetles within the subfamily Pselaphinae. Members are characterized by complex glandular structures on the abdomen, from which the tribe derives its name. These beetles are among the smallest staphylinids, often measuring less than 2 mm in length. The tribe contains numerous genera distributed across multiple biogeographic regions.
Gnathusa eva
Gnathusa eva is a species of rove beetle in the family Staphylinidae, described by Fenyes in 1910. It belongs to the subfamily Aleocharinae and tribe Oxypodini. The species has been recorded from western North America, including the Canadian provinces of Alberta, British Columbia, Saskatchewan, and Yukon Territory, as well as California in the United States.
Goniaceritae
ant-loving beetles
Goniaceritae is a supertribe of minute ant-loving beetles within the subfamily Pselaphinae (Staphylinidae), established by Edmund Reitter in 1882. The group comprises approximately 16 genera and at least 30 described species, though this is likely an underestimate given ongoing taxonomic work. The type genus is Goniacerus Motschulsky, 1855. Members of this supertribe are myrmecophilous, meaning they are ecologically associated with ants, though the specific nature of these associations varies among genera and species.
Goniusa
Goniusa is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, and tribe Athetini. The genus was established by Casey in 1906 and contains at least three described species. Members of this genus are small beetles with the characteristic short elytra of rove beetles, leaving most of the abdomen exposed.
Gymnusa
Gymnusa is a genus of small rove beetles in the tribe Gymnusini, characterized by uniformly dark coloration and semi-aquatic to aquatic habits. Species range from 4.2 to 6.5 mm in length and inhabit detritus-rich wetlands across the Nearctic and Palearctic regions.
Gymnusa grandiceps
Gymnusa grandiceps is a rove beetle in the family Staphylinidae, first described by Casey in 1915. It is distributed across northern North America, with records from Canada and the northeastern United States. The species belongs to the tribe Gymnusini within the subfamily Aleocharinae.
Gyrohypnus
Gyrohypnus is a genus of rove beetles in the family Staphylinidae, described by William Elford Leach in 1819. The genus contains approximately 35 recognized species with a cosmopolitan distribution. Members belong to the tribe Xantholinini within the subfamily Staphylininae. These beetles are small to medium-sized predatory insects commonly found in soil and leaf litter habitats.
Gyrophaena affinis
Gyrophaena affinis is a species of rove beetle in the family Staphylinidae. It is native to Europe and has been recorded across much of the Northern Hemisphere including Asia and North America. The species belongs to a genus known for small body size and association with fungal fruiting bodies.
Gyrophaena keeni
Gyrophaena keeni is a species of rove beetle in the family Staphylinidae, described by Casey in 1911. It belongs to the subfamily Aleocharinae, a diverse group of small, often fungus-associated beetles. The species has a broad distribution across northern North America, with records spanning from Alaska and Yukon to the northeastern United States. Very few observations exist in citizen science databases, suggesting it may be genuinely uncommon or undercollected.
Gyrophaena nanoides
Gyrophaena nanoides is a small rove beetle described by Seevers in 1951. It belongs to the genus Gyrophaena, a group of aleocharine staphylinids characterized by their compact, often flattened bodies and association with fungal substrates. The species is documented from northeastern and north-central North America, with records spanning Canada and the eastern United States. Like other Gyrophaena species, it likely inhabits decaying fungi and organic matter, though specific ecological details remain limited.
Gyrophaena stroheckeri
Gyrophaena stroheckeri is a species of rove beetle in the family Staphylinidae, described by Seevers in 1951. It belongs to the subfamily Aleocharinae and tribe Homalotini. The species has been recorded from scattered locations in eastern North America. Like other members of Gyrophaena, it is likely associated with fungal habitats, though specific ecological details remain poorly documented.
Haida
Haida is a genus of rove beetles (family Staphylinidae) described by Keen in 1897. It belongs to the subfamily Omaliinae and tribe Coryphiini. The genus is rarely encountered, with limited observational records.
Halobrecta
Halobrecta is a genus of rove beetles (family Staphylinidae, subfamily Aleocharinae) comprising approximately six described species. The genus was established by C.G. Thomson in 1858 and is classified within the tribe Taxicerini. Species in this genus occur in northern Europe, with records from Denmark, Norway, and Sweden. The genus name suggests an association with saline or brackish habitats, though specific ecological requirements remain poorly documented.
Halobrecta algophila
Halobrecta algophila is a small rove beetle in the subfamily Aleocharinae, characterized by its reduced elytra typical of the family Staphylinidae. The species has a remarkably broad geographic distribution spanning multiple continents, including native ranges in Australia, Europe, North America, South America, and New Zealand, with introduced populations on Tristan da Cunha. Its specific epithet 'algophila' suggests an association with algae, though this relationship requires verification. The species was originally described as Atheta algophila by Fenyes in 1909 before transfer to Halobrecta.
Hamotus electrae
ant-loving beetle
Hamotus electrae is a species of ant-loving beetle in the family Staphylinidae, first described by O. Park in 1942. It belongs to the subfamily Pselaphinae, a group of small rove beetles frequently associated with ant colonies. The species is documented from Texas in the United States and Mexico. Like other members of the genus Hamotus, it is presumed to be myrmecophilous, living in association with ants, though specific details of this relationship remain unrecorded in published literature.
Hamotus opimus
Hamotus opimus is a species of ant-loving beetle in the family Staphylinidae, first described by Fletcher in 1932. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies. The species is known from scattered records across the eastern and south-central United States. Like other members of its genus, it likely lives in close association with ants, though specific details of this relationship remain poorly documented.
Hapalaraea
Hapalaraea is a genus of rove beetles in the family Staphylinidae, subfamily Omaliinae. The genus was established by C.G. Thomson in 1858 and contains at least two described species: Hapalaraea alutacea and Hapalaraea hamata. These beetles are distributed across Europe and North America. As members of the Omaliinae, they are associated with forest floor habitats and decomposing organic matter.
Hapalaraea hamata
Hapalaraea hamata is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. The species was described by Fauvel in 1878. It belongs to the tribe Omaliini, a group of rove beetles typically associated with decaying organic matter and fungal habitats. The genus Hapalaraea is characterized by specific morphological features of the mouthparts and antennae.
Hemiquedius infinitus
Hemiquedius infinitus is a rove beetle (Staphylinidae) described in 2017 from eastern North America. It belongs to a small genus of predatory beetles in the tribe Staphylinini. The species has been documented across a broad geographic range spanning southeastern Canada and the eastern and central United States.
Hesperolinus
Hesperolinus is a genus of rove beetles in the family Staphylinidae, tribe Xantholinini. It was established by Casey in 1906. The genus belongs to the diverse subfamily Staphylininae, one of the largest lineages within rove beetles. Members of this genus are poorly documented in modern literature and appear to be rarely collected.
Hesperolinus parcus
Hesperolinus parcus is a rove beetle (family Staphylinidae) in the tribe Xantholinini. It is distributed across western North America from the Pacific Coast to the Rocky Mountains. The species was described by John Lawrence LeConte in 1863. Like other members of its tribe, it is likely associated with decaying organic matter, though specific biological details remain poorly documented.
Hesperus
Hesperus is a genus of rove beetles (Staphylinidae) established by Fauvel in 1874. Species in this genus are found in association with rice agroecosystems, where they interact with other organisms in these agricultural habitats. The genus belongs to the tribe Philonthina within the subfamily Staphylininae. At least one species, Hesperus barrioni, has been formally described from the Philippines.
Hesperus stehri
Hesperus stehri is a species of rove beetle in the family Staphylinidae, described by Moore in 1958. It belongs to the subtribe Philonthina within the tribe Staphylinini. The species has been documented across multiple states in the eastern and central United States. Like other members of the genus Hesperus, it is a predatory beetle, though specific ecological details for this species remain limited in the available literature.
Holoboreaphilus
Holoboreaphilus is a genus of rove beetles (Staphylinidae: Omaliinae) established by Campbell in 1978. The genus includes at least one species, Holoboreaphilus nordenskioeldi, which has been documented from both northeastern and northwestern North America with fossil occurrences in Late Pleistocene deposits. The genus belongs to the tribe Coryphiini within the subfamily Omaliinae.
Holoboreaphilus nordenskioldi
Holoboreaphilus nordenskioldi is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It has a Holarctic distribution spanning northern regions of North America and Eurasia. The species was described by Mäklin in 1878 and is placed in the tribe Coryphiini. Like other members of this genus, it is associated with northern boreal and arctic-alpine habitats.
Holotrochus
Holotrochus is a genus of rove beetles (Staphylinidae) in the subfamily Osoriinae, established by Erichson in 1839. Members of this genus are small to minute beetles characterized by reduced or absent eyes, a trait common among Osoriinae that inhabit soil and leaf litter environments. The genus is distinguished within Osoriini by particular arrangements of pronotal and elytral setae and specific configurations of the mouthparts. Species are found in various regions but detailed biological information remains limited for most taxa.
Homaeotarsus badius
Homaeotarsus badius is a rove beetle (family Staphylinidae) described by Gravenhorst in 1802. It is recorded from eastern North America, with distribution records spanning Canada (Ontario, Quebec) and the eastern and central United States. As a member of the subfamily Paederinae, it belongs to a diverse group of predatory beetles commonly found in soil and leaf litter habitats.
Homaeotarsus floridanus
A rove beetle (family Staphylinidae) described by LeConte in 1878. The species epithet 'floridanus' indicates a primary association with Florida, though records extend to Maryland and New Jersey. As a member of subfamily Paederinae, it belongs to a diverse group of rove beetles characterized by relatively short elytra and flexible abdomens.
Homaeotarsus strenuus
Homaeotarsus strenuus is a species of rove beetle (Staphylinidae: Paederinae) described by Casey in 1905. The species is known from scattered records across the central and eastern United States. As a member of the Paederinae, it belongs to a diverse subfamily of rove beetles, many of which are associated with moist habitats and decaying organic matter. Very little specific biological information has been published for this particular species.
Homalota
Homalota is a genus of rove beetles established by Mannerheim in 1830. The genus contains more than 80 described species and is classified within the tribe Homalotini of the subfamily Aleocharinae. Members of this genus share the characteristic short elytra and exposed abdominal segments typical of Staphylinidae. The genus has been documented in northern European countries including Denmark, Norway, and Sweden.
Hoplandria
Hoplandria is a genus of rove beetles (family Staphylinidae, subfamily Aleocharinae) established by Kraatz in 1857. The Nearctic fauna comprises 12 recognized species arranged in four subgenera: Hoplandria, Genosema, Lophomucter, and Arrhenandria. The genus is taxonomically well-characterized through revisionary work, though biological and ecological data remain limited.
Hoplandriini
Hoplandriini rove beetles
Hoplandriini is a tribe of small rove beetles (Staphylinidae: Aleocharinae) containing at least 5 genera and 21 described species. The tribe includes the genus Microlia, whose members are pollen-feeders frequently associated with flowers of Cucurbitaceae, Solanaceae, Asteraceae, and Monimiaceae. Some species, such as Microlia cayaponia, have been observed foraging on Cayaponia flowers and may compete with pollinators for pollen resources. The tribe occurs in the New World and Australasia.
Hylota ochracea
Hylota ochracea is a rove beetle in the family Staphylinidae, subfamily Aleocharinae, described by Casey in 1906. The species has been introduced from North America to parts of Europe. It is a member of the tribe Oxypodini, a group of small to medium-sized aleocharines often associated with decaying organic matter and fungal habitats.
Hypocyphtini
Hypocyphtini is a tribe of rove beetles (family Staphylinidae, subfamily Aleocharinae) established by Laporte de Castelnau in 1835. Members of this tribe are small to minute beetles characterized by compact body forms and reduced or modified wing structures. The tribe is distinguished from related aleocharine tribes primarily by genitalic and mouthpart morphology. Hypocyphtini species are primarily associated with decaying organic matter and are found across multiple continents, though individual species tend to have narrow distributions.
Hypotelus
Hypotelus is a genus of rove beetles in the family Staphylinidae, subfamily Piestinae. The genus was established by Erichson in 1839 and contains species characterized by their association with decaying organic matter. Members of this genus are part of the diverse staphylinid fauna that contribute to decomposition processes in forest ecosystems.
Ilyobates
A genus of small rove beetles (Staphylinidae: Aleocharinae: Oxypodini) containing six recognized valid species distributed across the Pontomediterranean region. Adults exhibit pronounced intraspecific morphological variation and overwinter in cryptic underground habitats. The genus has undergone extensive taxonomic revision, with numerous historical synonyms resolved.
Ilyobates bennetti
Ilyobates bennetti is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae, described by Donisthorpe in 1914. It was previously known as Ilyobates subopacus Palm, 1935, which has been synonymized following revision of type material. The species belongs to a genus of six valid species distributed across the Pontomediterranean region. Like other members of its genus, it exhibits considerable intraspecific morphological variation and has a univoltine life cycle with reproduction occurring in spring and summer.
Ischnosoma
Ischnosoma is a genus of rove beetles (Staphylinidae: Tachyporinae) established by Stephens in 1829. The genus is distinguished from the closely related Mycetoporus by specific morphological characters, particularly in the structure of the male genitalia and the form of the pronotum. Ischnosoma contains numerous species distributed across Eurasia, the Americas, and Australia, with particularly high diversity in China, where over 29 species have been documented. North and Central American species have been revised extensively, with 18 species recognized in that region alone.
Ischnosoma flavicolle
Ischnosoma flavicolle is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. Originally described by LeConte in 1863 as Mycetoporus flavicolle, it was transferred to the genus Ischnosoma in a 1991 taxonomic revision of North and Central American Mycetoporus and Ischnosoma. The species is known from eastern North America, with records spanning from Canada to the southeastern United States. A lectotype was designated for this species in the 1991 revision.
Ischnosoma splendidum
Splendid Crab-like Rove Beetle
Ischnosoma splendidum is a rove beetle in the family Staphylinidae, originally described by Gravenhorst in 1806 and later transferred from the genus Mycetoporus to Ischnosoma. It has a broad Holarctic distribution spanning Europe, Asia, and North America. The species belongs to a genus of crab-like rove beetles characterized by their distinctive body form and habitat associations with moist, decaying organic matter.
Ischnosoma suteri
Ischnosoma suteri is a rove beetle described in 1991 from eastern North America. It belongs to the genus Ischnosoma, which was separated from Mycetoporus based on morphological characters including mouthpart structure and abdominal chaetotaxy. The species is part of a 1991 revision that established Ischnosoma as a distinct genus in the Tachyporinae subfamily.
Kalissus
Kalissus is a genus of rove beetles (Staphylinidae) in the subfamily Micropeplinae, established by John Lawrence LeConte in 1874. Members of this genus are small beetles characterized by their reduced elytra that leave much of the abdomen exposed, a defining feature of the family. The genus is part of the diverse Staphylinoidea superfamily, which contains thousands of species worldwide. Specific ecological and behavioral details for Kalissus remain poorly documented in available literature.
Lathrobiina
Lathrobiina is a subtribe of rove beetles (Staphylinidae: Paederinae) containing approximately 25 genera. Members are small to medium-sized beetles characterized by the typical staphylinid body plan: shortened elytra exposing most of the abdomen. The subtribe has a global distribution with particular diversity in the Palaearctic region. Recent taxonomic revisions have recognized new genera based on subtle morphological distinctions, indicating ongoing refinement of the group's classification.
Lathrobium hardeni
Lathrobium hardeni is a species of rove beetle (Staphylinidae) described in 2024 by Haberski and Caterino. The species belongs to the genus Lathrobium, a diverse group of small to medium-sized rove beetles. As a recently described species, detailed ecological and biological information remains limited. Rove beetles in this genus are generally ground-dwelling predators found in various terrestrial habitats.
Lathrobium washingtoni
Lathrobium washingtoni is a rove beetle in the family Staphylinidae, described by Casey in 1905. The species is known from northern North America, with records across Canada and Alaska. As a member of the large genus Lathrobium, it is presumed to be a predatory beetle inhabiting soil and litter environments, though specific biological details remain poorly documented. Only two observations are recorded in iNaturalist, indicating it is rarely encountered or underreported.
Lathropinus
Lathropinus is a genus of rove beetles in the family Staphylinidae, subfamily Paederinae, and tribe Pinophilini. The genus was established by Sharp in 1886. Species in this genus are small, elongate beetles with the characteristic abbreviated elytra of rove beetles, leaving most of the abdomen exposed. As members of Pinophilini, they are likely associated with forest floor habitats, though specific ecological details remain poorly documented.
Lathropinus picipes
Lathropinus picipes is a rove beetle in the family Staphylinidae, subfamily Paederinae. The genus name was historically confused with Lathrobium, and this species has been documented across a broad geographic range in the United States from the East Coast to the Great Plains and Rocky Mountain region. Records span Alabama, Washington D.C., Florida, Kansas, Maryland, Texas, Virginia, and Wyoming. As with most rove beetles, it likely inhabits moist ground-level microhabitats and exhibits predatory or scavenging feeding habits typical of the family, though specific ecological details remain poorly documented.
Leptoplectus pertenuis
Leptoplectus pertenuis is a small rove beetle (family Staphylinidae) in the subfamily Pselaphinae, a group commonly known as ant-loving beetles. The species was described by Casey in 1884 under the basionym Euplectus pertenuis. It is recorded across much of the eastern and central United States.
Leptoscydmus
Leptoscydmus is a genus of minute rove beetles in the family Staphylinidae, subfamily Scydmaeninae. Members of this genus belong to the tribe Leptoscydmini, a group of small beetles adapted to life in soil and leaf litter microhabitats. The genus was established by Thomas Lincoln Casey in 1897 and contains species distributed in North America. These beetles are part of the diverse scydmaenine fauna that plays roles in decomposer food webs.
Leptoscydmus cavifrons
Leptoscydmus cavifrons is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. It was described by Thomas Lincoln Casey in 1897. The species belongs to the tribe Leptoscydmini, a group of small beetles often referred to as ant-like stone beetles due to their morphology and behavior. Records indicate presence in the eastern United States.
Leptusa
Leptusa is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae. The genus was established by Kraatz in 1856 and currently comprises at least 20 described species globally. The Palaearctic fauna includes approximately 420 species and 74 subspecies distributed across 71 subgenera. Recent taxonomic work from the Georgian Caucasus has significantly expanded knowledge of the genus in that region.
Leptusa elegans
Leptusa elegans is a species of rove beetle in the family Staphylinidae, first described by Blatchley in 1910. It belongs to the subfamily Aleocharinae, a large and diverse group of small rove beetles. The species has been recorded from multiple localities in eastern North America. Like other members of its genus, it is likely associated with forest floor habitats and decaying organic matter, though specific ecological details remain poorly documented.
Leptusa gimmeli
Leptusa gimmeli is a species of rove beetle in the family Staphylinidae, described from Tennessee in 2010. It belongs to the genus Leptusa, a group of small, often overlooked staphylinids. The species was established based on specimens collected in the eastern United States. As a recently described taxon, detailed biological information remains limited.
Lesteva cribratula
Lesteva cribratula is a small rove beetle (Staphylinidae) native to eastern North America. It has been identified as a likely subnivium specialist, active beneath winter snowpack and rare or inactive during summer months. The species inhabits the air gap between soil and snow, where it likely functions as a predator in cold, stable conditions. Climate change poses a threat to this species through declining snowpack, which exposes subnivium habitats to temperature extremes.
Liogluta
Liogluta is a genus of rove beetles (family Staphylinidae) in the subfamily Aleocharinae, tribe Athetini. The genus was established by Thomson in 1858 and contains at least six described species distributed across Europe, Japan, and North America. These small beetles are members of one of the most species-rich lineages of rove beetles, though specific ecological details remain poorly documented for most species.
Liogluta terminalis
Liogluta terminalis is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae. It was described by Casey in 1906. The species belongs to the tribe Athetini, one of the largest tribes within the Aleocharinae. Like other members of its genus, it is a small-bodied beetle with the characteristic abbreviated elytra that expose most of the abdomen typical of the Staphylinidae family.
Liparocephalini
Liparocephalini is a tribe of rove beetles (Staphylinidae: Aleocharinae) comprising approximately 5 genera and more than 20 described species. The tribe is notable for its specialized colonization of intertidal marine habitats, representing a rare ecological transition among beetles. Phylogenetic studies indicate that ancestors of Liparocephalini originated in beach littoral zones and subsequently colonized rocky reef areas in the low tidal zone through intermediate tidal zones.
Liparocephalus
Liparocephalus is a genus of rove beetles in the family Staphylinidae, tribe Liparocephalini. The genus contains four described species: L. brevipennis, L. cordicollis, L. litoralis, and L. tokunagai. These beetles are associated with coastal or shoreline habitats, as suggested by the specific epithet 'litoralis' (of the shore) and collection records from the Kuril Islands and Hokkaido.
Lispinus
Lispinus is a genus of rove beetles (Staphylinidae: Osoriinae) established by Erichson in 1839. Species occur primarily in the Neotropics, with documented diversity in premontane forests of the eastern Peruvian Andes. The genus comprises at least 21 species in Peru alone, distributed across six zoogeographic patterns ranging from endemic to Pan-Neotropical.
Lissagria
Lissagria is a genus of rove beetles in the family Staphylinidae, established by Casey in 1906. It belongs to the tribe Falagriini within the subfamily Aleocharinae. The genus contains approximately eight described species, primarily named by Casey and other early 20th-century coleopterists.
Lissagria laeviuscula
Lissagria laeviuscula is a species of rove beetle in the family Staphylinidae, originally described by LeConte in 1866 under the basionym Falagria laeviuscula. It belongs to the subfamily Aleocharinae and tribe Falagriini. The species is known from North America, with records from California.
Lissobiops
Lissobiops is a genus of rove beetles (family Staphylinidae) described by Casey in 1905. It is currently classified as a synonym of the genus Homaeotarsus within the subfamily Paederinae. The genus was originally established for species now placed in the subgenus Homaeotarsus (Hesperobium).
Lissohypnus texanus
Lissohypnus texanus is a rove beetle (family Staphylinidae) described by Casey in 1906. It belongs to the tribe Xantholinini within the subfamily Staphylininae. The species is known from scattered records in the southern United States and Mexico. Like other staphylinids, it likely inhabits moist terrestrial environments where it functions as a predator or scavenger, though specific ecological details remain poorly documented.
Lithocharis
Lithocharis is a genus of rove beetles in the family Staphylinidae, subfamily Paederinae, tribe Lathrobiini. The genus was established by Dejean in 1833. Members of this genus are small to medium-sized predatory beetles characterized by the typical rove beetle body plan: short elytra exposing most of the flexible abdomen. The genus is primarily distributed in the Holarctic region, with documented occurrences in northern Europe including Denmark, Norway, and Sweden.
Lithocharis nigriceps
Lithocharis nigriceps is a rove beetle (Staphylinidae) with a cosmopolitan distribution spanning multiple continents. It has been introduced to North America, Europe, Australia, and New Zealand from its native range in Asia. The species is documented from diverse habitats including islands in the Azores and Pacific regions.
Lithocharodes
Lithocharodes is a genus of rove beetles (Staphylinidae) in the tribe Xantholinini, established by Sharp in 1876. Members of this genus are small to medium-sized beetles characterized by the shortened elytra typical of the family. The genus is part of the diverse Staphylininae subfamily, one of the largest groups within rove beetles. Information on specific species and biology remains limited in available literature.
Lithocharodes longicollis
Long-collared Rove Beetle
Lithocharodes longicollis is a rove beetle in the family Staphylinidae, tribe Xantholinini, characterized by its notably elongated pronotum that gives rise to both its scientific and common names. The species was originally described by LeConte in 1863 under the genus Leptacinus. It is widely distributed across eastern and central North America, with records spanning from Canada (Ontario, Quebec) through much of the eastern and midwestern United States.
Lobrathium grande
Lobrathium grande is a species of rove beetle in the family Staphylinidae, first described by J.L. LeConte in 1863. Originally placed in the genus Lathrobium, it was later transferred to Lobrathium. The species occurs in northeastern North America, with records from Canada and the eastern United States. As a member of the subfamily Paederinae, it belongs to a group of predatory rove beetles.
Lomechusini
Lomechusini is a tribe of rove beetles (Staphylinidae) within the subfamily Aleocharinae. The tribe contains approximately 202 genera organized into two subtribes: Lomechusina and Myrmedoniina, plus several genera of uncertain placement. It includes the relatively large genus Zyras, though most genera are small. Members are myrmecophilous, meaning they live in association with ants.
Lordithon anticus
Lordithon anticus is a rove beetle in the family Staphylinidae, first described by Horn in 1877. The species belongs to the subfamily Mycetoporinae, a group associated with fungal habitats. It has been documented across northeastern North America with scattered records extending into the Midwest. Like other members of its genus, it is presumed to inhabit decaying organic matter, though specific ecological studies are limited.
Lordithon axillaris
Lordithon axillaris is a rove beetle in the family Staphylinidae, distributed across eastern North America from Canada to the southern United States. The species has been recorded in Canadian provinces including New Brunswick and Quebec, and in numerous U.S. states spanning the Midwest, Northeast, Mid-Atlantic, and extending south to Oklahoma and South Carolina. It belongs to the subfamily Mycetoporinae, a group of staphylinids typically associated with fungal habitats.
Lordithon campbelli
Lordithon campbelli is a rove beetle (Staphylinidae) described by Schülke in 2000. It belongs to the subfamily Mycetoporinae, a group associated with fungal habitats. The species is known from scattered records across eastern North America.
Lordithon niger
Black Lordithon Rove Beetle
Lordithon niger is a rove beetle (Staphylinidae: Mycetoporinae) in the genus Lordithon, originally described by Gravenhorst in 1802. A lectotype was designated by Campbell (1982) in his taxonomic revision of North and Central American Lordithon. The species is broadly distributed across eastern North America.
Lordithon obsoletus
Lordithon obsoletus is a rove beetle in the family Staphylinidae, first described by Thomas Say in 1832. The species has been placed in the genus Bobitobus by some authorities, though Lordithon remains widely used. It occurs across eastern and central North America, with records spanning from Canada through the southeastern United States. As a member of the megadiverse Staphylinidae, it likely inhabits forest floor and soil habitats typical of the family, though specific ecological details remain poorly documented.
Lordithon oregonus
Lordithon oregonus is a species of rove beetle (Staphylinidae) described by Campbell in 1982. The species was originally described under the genus Lordithon but has been synonymized under Bobitobus oregonus in some taxonomic treatments. It is known from the Pacific Northwest region of North America, with records from British Columbia, California, Oregon, and Washington. The genus Lordithon belongs to the tribe Xantholinini within the subfamily Staphylininae.
Losiusa angusticollis
Losiusa angusticollis is a species of rove beetle in the family Staphylinidae, described by Seevers in 1978. It belongs to the subfamily Aleocharinae and tribe Oxypodini. The genus Losiusa is part of the subtribe Dinardina. Very little specific information is published about this species beyond its taxonomic description.
Lucifotychus cognatus
Lucifotychus cognatus is a small rove beetle (Staphylinidae: Pselaphinae) described by John Lawrence LeConte in 1874. Originally described under the genus Tychus, it was later transferred to Lucifotychus, a genus within the tribe Tychini. The species occurs in western North America from Alaska through British Columbia and along the Pacific coast to California. Like other pselaphine rove beetles, it is likely associated with forest floor habitats and decaying organic matter, though specific ecological details remain poorly documented.
Lypoglossa
Lypoglossa is a genus of rove beetles in the subfamily Aleocharinae, family Staphylinidae. The genus was described by Fenyes in 1918 and contains four recognized species with a disjunct distribution across the Nearctic region and Europe. Species are small, typically found in association with forest floor habitats. The genus is classified within the tribe Athetini, a diverse group of small to minute staphylinids.
Machaerodes
Machaerodes is a genus of ant-loving beetles in the family Staphylinidae, established by Brendel in 1890. The genus contains a single described species, M. carinatus. As members of the subfamily Pselaphinae, these beetles are myrmecophilous, meaning they live in association with ants.
Manda
Manda is a genus of spiny-legged rove beetles (family Staphylinidae) established by Blackwelder in 1952. The genus belongs to the subfamily Oxytelinae and tribe Planeustomini. At least two species have been described within this genus. Rove beetles in this genus are characterized by their elongated bodies and reduced elytra that expose much of the abdomen. The genus has been recorded from northern Europe including Denmark, Norway, and Sweden.
Manda nearctica
spiny-legged rove beetle
Manda nearctica is a species of spiny-legged rove beetle described by Moore in 1964. It belongs to the family Staphylinidae, the largest family of beetles, characterized by their shortened elytra that leave most of the abdomen exposed. The species occurs in North America, with documented records from the southeastern United States.
Medon
Medon is a genus of rove beetles in the family Staphylinidae, subfamily Paederinae. Species are small, typically found in soil and leaf litter habitats, with some taxa occurring in intertidal zones along coastlines. The genus is distributed across the Palearctic region, with significant diversity in Turkey (23+ species) and East Asia. Several species have been described in recent decades, indicating ongoing taxonomic refinement.
Medon fusculus
Medon fusculus is a small rove beetle (Staphylinidae) originally described from Europe and now known from a broad Palearctic distribution extending from Western Europe through Turkey to the Caucasus, Middle East, and Iran. It has been introduced to eastern Canada (New Brunswick, Ontario, Quebec). The species belongs to the diverse genus Medon, which contains numerous small, ground-dwelling species that are often poorly distinguished morphologically. Available records are sparse, with only three observations documented on iNaturalist.
Medon rufipenne
Medon rufipenne is a species of rove beetle in the family Staphylinidae. It belongs to the tribe Medonini, a group of small to medium-sized predatory beetles. The species epithet 'rufipenne' refers to the reddish coloration of the elytra. Like other members of its genus, it is likely associated with moist ground-level habitats where it preys on small invertebrates.
Medonina
Medonina is a subtribe of rove beetles (family Staphylinidae) established by Casey in 1905. As of 2024, it encompasses 49 genera distributed across multiple continents. The subtribe belongs to the tribe Lathrobiini within the subfamily Paederinae. Members are small to medium-sized predatory beetles commonly found in leaf litter, soil, and other decaying organic matter.
Megalopinus lingafelteri
Megalopinus lingafelteri is a species of rove beetle in the family Staphylinidae. The genus Megalopinus is known for containing relatively large species within this family, though specific information about M. lingafelteri itself is extremely limited. No observations of this species have been recorded in iNaturalist, and no published biological or ecological data are readily available. The species epithet suggests it may have been named in honor of an individual, following a common practice in coleopteran taxonomy.
Megalopinus rufipes
Megalopinus rufipes is a species of rove beetle in the family Staphylinidae, subfamily Megalopsidiinae. It is one of the largest rove beetles, with adults reaching approximately 20 mm in length. The species is distinguished by its reddish-orange legs, which contrast with its dark body. It has been recorded from the southeastern United States through Mexico, with some unconfirmed reports from Central and South America.
Megarafonus lentus
Megarafonus lentus is a species of rove beetle in the family Staphylinidae. It is found in North America, with records from Oregon, USA. The species is classified as an 'ant-loving beetle,' indicating a probable association with ant colonies.
Megarthrus excisus
Megarthrus excisus is a species of rove beetle (Staphylinidae) in the subfamily Proteininae, described by John Lawrence LeConte in 1863. The species is broadly distributed across northern North America, with records spanning boreal and temperate regions of Canada and the northern United States. Like other members of the genus Megarthrus, it is associated with forest floor habitats and decomposing organic matter. The genus is characterized by distinctive modifications of the male genitalia and antennae structure.
Megarthrus pictus
Megarthrus pictus is a rove beetle (Staphylinidae) endemic to western North America. It is distinguished from other Nearctic Megarthrus species by its bicolored elytra and angulate temples. The body is predominantly brownish yellow in coloration. It is the only Nearctic species in its genus exhibiting this combination of traits that is endemic to Western North America.
Megastilicus
Megastilicus is a genus of myrmecophilous rove beetles (Staphylinidae: Paederinae) endemic to North America. The genus was long considered monotypic, containing only Megastilicus formicarius Casey, 1889, until the description of Megastilicus iowaensis in 2021. These beetles are specialized associates of ants, particularly Formica ulkei. The genus is classified in the subtribe Stilicina based on morphological characteristics.
Megastilicus formicarius
Megastilicus formicarius is a myrmecophilous rove beetle (Staphylinidae: Paederinae) native to North America. It was the sole species in its genus until the 2021 description of M. iowaensis. The species is obligately associated with ants, specifically documented with Formica ulkei colonies. Like other myrmecophilous Paederinae, it likely lives within ant nests, though specific ecological details remain poorly documented. The species is known from museum specimens across northeastern and midwestern North America.
Melba
Melba is a genus of rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was described by Thomas Lincoln Casey Jr. in 1897. It belongs to the tribe Trichonychini within the diverse and species-rich rove beetle lineage. Members of this genus are small beetles associated with leaf litter and soil habitats.
Melba parvula
Melba parvula is a species of ant-loving beetle in the family Staphylinidae, first described by LeConte in 1849. It is found in North America, with records spanning eastern and central United States and southern Canada. The species is associated with ant colonies, a characteristic of the myrmecophilous genus Melba.
Meronera
Meronera is a genus of rove beetles in the family Staphylinidae, established by Sharp in 1887. The genus contains at least four described species distributed in North America and Europe. Members of this genus belong to the subfamily Aleocharinae, one of the largest groups within rove beetles.
Microdonia
Microdonia is a genus of rove beetles in the family Staphylinidae, established by Casey in 1893. The genus contains at least four described species distributed in North America. Members belong to the tribe Lomechusini within the subfamily Aleocharinae, a group known for myrmecophilous (ant-associated) associations. The genus remains poorly known, with limited ecological and behavioral documentation.
Microdonia laticollis
Microdonia laticollis is a species of rove beetle (family Staphylinidae) in the tribe Lomechusini. Described by Brues in 1902, this species belongs to a genus of myrmecophilous beetles associated with ant colonies. The specific epithet 'laticollis' refers to the broad pronotum characteristic of this species. Like other members of the subtribe Myrmedoniina, it is adapted to life within ant nests.
Microedus
Microedus is a genus of small rove beetles in the family Staphylinidae, subfamily Omaliinae, tribe Anthophagini. The genus was historically known only from North America but was expanded to the Palaearctic Region following taxonomic revision in 2022, which synonymized two Palaearctic genera (Altaiodromicus and Liophilydrodes) with Microedus. The genus currently contains 16 species: seven in the Nearctic Region and nine in the Palaearctic Region. Members of this genus belong to the Hygrogeus group of omaliine rove beetles.
Microedus austinianus
Nearctic rove beetle and type species of the genus Microedus. First illustration of mouthparts and aedeagus provided in 2022 taxonomic revision. One of seven Nearctic species in a genus now recognized as transcontinental.
Microedus fenderi
Microedus fenderi is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It was described by Hatch in 1957 and is known from limited collection records in the Pacific Northwest region of North America. Like other members of the Omaliinae, it is a small beetle associated with forest floor habitats. Very little is known about its biology or ecology due to its rarity and the difficulty of sampling small staphylinid beetles.
Microlia
Microlia is a small genus of rove beetles (Staphylinidae: Aleocharinae: Hoplandriini) comprising approximately twelve species. The genus has a disjunct distribution across Australasian and New World regions, with recent records from Brazil representing the first South American occurrences. Members of this genus are obligate pollen-feeders, with multiple species documented in association with flowers of Cucurbitaceae, Solanaceae, Asteraceae, and Monimiaceae.
Micropeplinae
Micropeplinae is a small subfamily of rove beetles (Staphylinidae) characterized by 9-segmented antennae with single-segmented clubs and a tarsal formula of 4-4-4 (appearing as 3-3-3). The group comprises approximately six extant genera worldwide, including Micropeplus, Kalissus, Cerapeplus, Peplomicrus, and Arrhenopeplus, plus the extinct †Protopeplus from Burmese amber. Species are primarily associated with moist microhabitats and feed on mold spores and fungal hyphae.
Micropeplus laticollis
Large-collared Marsh Rove Beetle
Micropeplus laticollis is a species of rove beetle in the subfamily Micropeplinae, characterized by its distinctive broad pronotum that gives rise to both its specific epithet ('laticollis' = broad-necked) and common name. The species occurs across northern North America from Alaska and Yukon through Canada to the northern United States. Like other members of its genus, it is associated with marshy or wetland habitats. The subfamily Micropeplinae is a small, specialized group within the megadiverse family Staphylinidae.
Micropeplus neotomae
Micropeplus neotomae is a species of rove beetle in the subfamily Micropeplinae, described by Campbell in 1968. The species epithet 'neotomae' suggests an association with the rodent genus Neotoma (woodrats/packrats). It is known from California and Oregon in the western United States. As a member of the Staphylinidae, it possesses the characteristic short elytra that expose most of the abdomen.
Microscydmus
Microscydmus is a genus of minute rove beetles in the subfamily Scydmaeninae, characterized by their small size and reduced elytra typical of the family Staphylinidae. The genus was established by Saulcy & Croissandeau in 1893 and contains species distributed across Europe, Australia, and North America. Taxonomic revisions have transferred some previously assigned species to other genera, such as Microscydmus trianguliceps to Afroeudesis. Members of this genus belong to the tribe Stenichnini within the ant-like stone beetle subfamily.
Mocyta
Mocyta is a genus of small rove beetles in the family Staphylinidae, subfamily Aleocharinae, tribe Athetini. The genus comprises 26 known Palearctic species, with five confirmed in Ukraine and additional species documented across Europe and North America. Species identification is complicated by significant individual variability in size, coloration, and spermatheca morphology. The genus has been used in ecological monitoring and biogeographic studies, particularly in forest ecosystems.
Mocyta sphagnorum
Mocyta sphagnorum is a species of rove beetle in the family Staphylinidae, described in 2015 from Canadian material. The species is associated with Sphagnum moss habitats, as indicated by its specific epithet. It belongs to the large subfamily Aleocharinae, one of the most diverse groups within the rove beetles. The species has been documented from multiple Canadian provinces and Alaska.
Morius
Morius is a genus of ant-loving beetles in the rove beetle family Staphylinidae, established by Casey in 1893. The genus contains a single described species, Morius occidens. As members of the subfamily Pselaphinae, these beetles are morphologically specialized and ecologically associated with ants.
Moriuss occidens
Moriuss occidens is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It belongs to the tribe Trichonychini and is one of very few species in the genus Moriuss. The species was described by Casey in 1893 and is known from California. Pselaphine beetles are generally small, cryptic, and associated with leaf litter and soil habitats.
Myllaena
Myllaena is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, and tribe Myllaenini. The genus contains more than 60 described species distributed across the Nearctic and Palearctic regions. A taxonomic revision of Nearctic species recognized 20 species arranged into four species groups: Cuneata, Insomnis, Potawatomi, and Seminole.
Myllaena audax
Myllaena audax is a species of rove beetle in the family Staphylinidae, described by Thomas Lincoln Casey in 1911. It belongs to the subfamily Aleocharinae, one of the largest subfamilies of rove beetles. The species has been recorded across northern North America, with documented occurrences in Canada from British Columbia to Newfoundland and Labrador, and in the United States from Alaska to the Northeast and across to the Pacific Northwest. Like other members of its genus, it is likely associated with moist habitats where it functions as a generalist predator or scavenger, though specific ecological details remain poorly documented.
Myllaenini
Myllaenini is a tribe of rove beetles (Staphylinidae) within the subfamily Aleocharinae, established by Ganglbauer in 1895. Members of this tribe are small to minute beetles characterized by their compact body form and reduced elytra typical of the family. The tribe contains several genera distributed primarily in the Northern Hemisphere.
Myrmecocephalus
Myrmecocephalus is a genus of rove beetles (Staphylinidae) in the tribe Falagriini. The genus contains approximately 115 recognized species as of 2026 and has a nearly cosmopolitan distribution. Members of this genus are small beetles associated with ant colonies, reflecting their myrmecophilous lifestyle implied by the genus name.
Myrmecocephalus cingulatus
Myrmecocephalus cingulatus is a small rove beetle (Staphylinidae: Aleocharinae) in the tribe Falagriini. It occurs across eastern North America from Canada to the southern United States. The genus name 'Myrmecocephalus' (ant-head) refers to the ant-like appearance of these beetles. This species is rarely collected and poorly known biologically.
Myrmecocephalus concinnus
Myrmecocephalus concinnus is a species of rove beetle (family Staphylinidae) in the subfamily Aleocharinae. It has an exceptionally broad geographic distribution spanning six continents, including native ranges in Africa, North and South America, Europe, and Asia, with introduced populations in New Zealand and the Galápagos Islands. The species belongs to the tribe Falagriini, a group of small to medium-sized rove beetles often associated with ant colonies or decaying organic matter.
Myrmedonota aidani
Myrmedonota aidani is a rove beetle species in the family Staphylinidae, described in 2008. Like other members of its genus, it is likely associated with ant colonies, though specific ecological details for this species remain undocumented. The species is known from limited collection records in eastern North America.
Myrmedonota lewisi
Myrmedonota lewisi is a species of rove beetle in the family Staphylinidae, described by Maruyama & Klimaszewski in 2008. The species is known from Indiana, USA. It belongs to the tribe Lomechusini, a group noted for ant-associated behaviors. Members of the genus Myrmedonota are recognized for their ecological relationships with ants, including predation on ants attracted by alarm pheromones.
Myrmobiota
Myrmobiota is a genus of rove beetles (Staphylinidae) in the tribe Oxypodini, established by Casey in 1893. Species in this genus are associated with ant colonies, exhibiting myrmecophilous habits. The genus is part of the hyperdiverse subfamily Aleocharinae, one of the largest radiations within beetles.
Myrmoecia
Myrmoecia is a genus of rove beetles (Staphylinidae) in the tribe Lomechusini, subfamily Aleocharinae. The genus contains nine described species distributed across the Holarctic region. Members of this genus are myrmecophilous, meaning they live in association with ants. The genus was established by Mulsant and Rey in 1873.
Myrmoecia lauta
Myrmoecia lauta is a rove beetle in the family Staphylinidae, subfamily Aleocharinae. The species was described by Casey in 1893. It belongs to the tribe Lomechusini, a group known for myrmecophilous (ant-associated) associations. Records indicate presence in northeastern North America with some questionable reports from China.
Nanobius
Nanobius is a genus of rove beetles (family Staphylinidae) in the subfamily Pseudopsinae, described by Herman in 1977. Members of this genus are small beetles characterized by reduced elytra that leave most of the abdomen exposed, a defining trait of the family. The genus is part of the diverse staphylinid radiation, though specific ecological and biological details remain poorly documented in available literature.
Nearctitychus
Nearctitychus is a genus of ant-loving beetles in the family Staphylinidae, established by Chandler in 1988. The genus is monotypic, containing a single described species, N. sternalis. As a member of the subfamily Pselaphinae and tribe Tychini, these beetles are myrmecophilous, meaning they live in association with ant colonies.
Nearctitychus sternalis
Nearctitychus sternalis is a small rove beetle (Staphylinidae: Pselaphinae) described by Raffray in 1904. It belongs to the tribe Tychini, a group of minute beetles often associated with leaf litter and soil habitats. The species is known from the eastern United States.
Necrodes surinamensis
Red-lined Carrion Beetle
Necrodes surinamensis, commonly known as the red-lined carrion beetle, is a species of carrion beetle in the family Staphylinidae (subfamily Silphinae). It is found throughout North America, with documented records across Canada and the United States. The species is associated with carrion and plays a role in decomposition processes.
Neobeyeria arizonensis
Neobeyeria arizonensis is a species of rove beetle (family Staphylinidae) described in 1987 from Arizona. It belongs to the tribe Crematoxenini within the subfamily Aleocharinae, a diverse group of small to medium-sized beetles characterized by their shortened elytra that leave much of the abdomen exposed. As a member of this tribe, it is likely associated with termite colonies, though specific host relationships for this species remain undocumented.
Neobisnius
Neobisnius is a genus of large rove beetles in the family Staphylinidae, established by Ganglbauer in 1895. The genus contains at least 39 recognized species in the New World, with additional species known from the Palearctic region. Species-level taxonomy has been extensively revised, with numerous synonymies resolved and subspecies recognized in some taxa.
Neobisnius gratus
Neobisnius gratus is a species of rove beetle in the family Staphylinidae, first described by John Lawrence LeConte in 1863. It belongs to the subfamily Staphylininae and tribe Staphylinini. The species has been recorded from the southwestern United States and Mexico, with additional unconfirmed reports from Argentina. Available information about its biology and ecology remains limited.
Neobisnius jocosus
A rove beetle in the family Staphylinidae, recognized as a valid species with *alternans* (Sharp) synonymized under it. Part of a genus revision that established species boundaries through morphological analysis of adult males.
Neobisnius paederoides
Neobisnius paederoides is a species of rove beetle in the family Staphylinidae, first described by John Lawrence LeConte in 1863. It belongs to the subtribe Philonthina within the large tribe Staphylinini. The species is recorded from both the United States and Canada, with most observations concentrated in eastern and central North America. It is one of relatively few documented species in the genus Neobisnius, which contains predatory rove beetles often associated with decaying organic matter.
Neobisnius sobrinus
A rove beetle in the genus *Neobisnius*, widely distributed across the Americas from Canada to Brazil. The species was revised taxonomically in 1995, with four names newly synonymized under it. Adults are described and illustrated in taxonomic literature, but detailed ecological and life history information remains sparse.
Neobisnius terminalis
A rove beetle species in the genus Neobisnius, recognized as valid with two subspecies: N. t. terminalis and N. t. elegantulus (Horn). Formerly considered distinct species, N. delicatulus and N. adustus are now synonymized under this name. The species is part of a taxonomic revision recognizing 39 New World species in the genus, with adults described and illustrated.
Neobolitobius varians
Neobolitobius varians is a species of rove beetle in the family Staphylinidae, subfamily Mycetoporinae. It was described by Hatch in 1957. The species is known from the Pacific Northwest region of North America, with records from British Columbia, Oregon, and Washington. As a member of the Mycetoporinae, it likely inhabits forest floor environments where these beetles are commonly found. Beyond taxonomic placement and geographic distribution, detailed biological information about this species remains sparse in the available literature.
Neohypnus beckeri
Ed Becker's Rove Beetle
Neohypnus beckeri is a rove beetle in the family Staphylinidae, described by Smetana in 1982. It is known from northeastern North America, with records in Canada and the United States. The species is named in honor of Ed Becker. Like other members of the genus Neohypnus, it belongs to the tribe Xantholinini within the subfamily Staphylininae.
Neohypnus hamatus
Hooked Rove Beetle
A rove beetle in the family Staphylinidae, characterized by the notably short elytra typical of the family. The species was described by Thomas Say in 1830 and is widely distributed across northern North America. The common name "Hooked Rove Beetle" refers to a distinctive morphological feature, likely a hooked structure on the body.
Neohypnus obscurus
Obscure Rove Beetle
Neohypnus obscurus is a rove beetle (family Staphylinidae) in the tribe Xantholinini. It is broadly distributed across North America, with records from most Canadian provinces and many U.S. states. The species was described by Erichson in 1839. Very few biological observations have been published for this species.
Neotobia
Neotobia is a genus of rove beetles (Staphylinidae) in the subfamily Aleocharinae, tribe Homalotini, and subtribe Bolitocharina. It was described by Ashe in 1992. As a member of the diverse aleocharine fauna, it belongs to a lineage characterized by small body size and reduced elytra. The genus appears to be rarely collected, with minimal observational records available.
Neotobia alberta
Neotobia alberta is a rove beetle species described by Ashe in 1992, belonging to the subfamily Aleocharinae within the family Staphylinidae. The species is known from scattered localities across Canada and the northeastern United States. As a member of the Homalotini tribe, it is likely associated with fungal or decaying organic substrates, though specific ecological details remain poorly documented. The species name refers to Alberta, Canada, where the type specimen was presumably collected.
Nisaxis caudata
ant-loving beetle
Nisaxis caudata is a species of ant-loving beetle (family Staphylinidae) first described by Schaeffer in 1905. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies. The species has been recorded from North America (Oklahoma and Texas) and Mexico, with additional Central American distribution. Very little detailed biological information is available for this specific species.
Nisaxis tomentosa
Nisaxis tomentosa is a species of rove beetle in the family Staphylinidae, specifically within the ant-associated subfamily Pselaphinae. It has been recorded across a broad geographic range spanning North America, the Caribbean, and South America. The species epithet 'tomentosa' refers to a densely hairy or woolly appearance.
Nitidotachinus agilis
Nitidotachinus agilis is a species of rove beetle in the family Staphylinidae, described by Horn in 1877. It belongs to the subfamily Tachyporinae, a group commonly known as cramp-ball fungi beetles or associated with decaying organic matter. The species is documented from western North America, with records spanning from the southwestern United States to the Pacific Northwest.
Nitidotachinus horni
Nitidotachinus horni is a species of rove beetle in the family Staphylinidae, described by Campbell in 1973. It belongs to the subfamily Tachyporinae and tribe Tachinusini. The species is native to eastern North America, with documented occurrences in both the United States and Canada. As a member of the large and diverse rove beetle family, it likely inhabits forest floor and decaying organic matter habitats typical of the subfamily, though specific ecological details remain poorly documented.
Nitidotachinus scrutator
Nitidotachinus scrutator is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is a small beetle with a documented distribution across eastern North America, from Canada through the northeastern and midwestern United States. Like other members of its genus, it inhabits forest floor environments where it functions as a generalist predator or scavenger. The species was described by Gemminger and Harold in 1868.
Nudobius cephalus
Kephalos Rove-hunter Beetle
A rove beetle in the tribe Xantholinini, distributed across much of North America. The species has been recorded from 23 iNaturalist observations. Members of genus Nudobius are predatory rove beetles associated with decaying wood and fungal habitats.
Nudobius luridipennis
Nudobius luridipennis is a rove beetle in the family Staphylinidae, described by Casey in 1906. It is native to the eastern and southeastern United States, with records spanning from New York to Florida and west to Texas. As a member of the tribe Xantholinini, it belongs to one of the most diverse families of beetles, though specific ecological details for this species remain poorly documented.
Ochthephilum fracticorne
Ochthephilum fracticorne is a rove beetle (Staphylinidae) first described by Paykull in 1800. It belongs to the subfamily Paederinae and is characterized by the abbreviated elytra typical of the family. The species has a broad native distribution across the Palearctic and has been introduced to North America.
Ochthephilus biimpressus
spiny-legged rove beetle
Ochthephilus biimpressus is a species of spiny-legged rove beetle in the family Staphylinidae, first described by Mäklin in 1852. It is a small rove beetle with characteristic short elytra that leave most of the abdomen exposed, a defining trait of its family. The species is distributed across western North America from Alaska to California and eastward to Colorado and Montana.
Ochthephilus columbiensis
Ochthephilus columbiensis is a species of spiny-legged rove beetle in the family Staphylinidae. It was described by Hatch in 1957. The species is distributed across western North America, including the Pacific Northwest, Rocky Mountains, and adjacent Canadian provinces.
Ochthephilus planus
Ochthephilus planus is a rove beetle in the family Staphylinidae, subfamily Oxytelinae. This small beetle is distributed across northern North America, with records from Canada (including Alberta, British Columbia, Newfoundland, Ontario, Quebec, and Yukon) and the United States (including Alaska, California, Colorado, Maine, New Hampshire, New Mexico, New York, Oregon, Tennessee, Vermont, Washington, and Wyoming), as well as the Russian Far East. The species was first described by J.L. LeConte in 1861 based on specimens from North America. Like other members of the Oxytelinae, it is associated with moist habitats and organic matter decomposition.
Ocypus
Ocypus is a genus of rove beetles in the subfamily Staphylininae, containing approximately 176 described species distributed across the Palearctic, Nearctic, and Oriental regions. The genus includes the well-known Ocypus olens (devil's coach-horse beetle), a large, predatory species with documented potential for biological control of pest snails. Several species have been introduced outside their native ranges, including O. nitens, which has established in North America and shown rapid range expansion. The genus exhibits considerable diversity in China, with numerous species described from Sichuan, Gansu, Yunnan, and other provinces.
Ocypus aeneocephalus
Ocypus aeneocephalus is a species of large rove beetle in the family Staphylinidae. It is native to Europe and has been introduced to western North America, including British Columbia, Canada, and Washington State, USA. The species is part of the hyperdiverse rove beetle genus Ocypus, which contains numerous species with varied ecological roles.
Ocypus nitens
Ocypus nitens is a large, adventive rove beetle in the family Staphylinidae, subfamily Staphylininae, native to Central Europe and now established in eastern North America. First reported from the Americas in 1944, it remained restricted to New England for decades before rapidly expanding its range after 2000. The species was first detected in Canada in 2016 through citizen science contributions to BugGuide, representing the first Canadian record. It is among the largest and most conspicuous rove beetles in its introduced range, making it relatively easy to detect.
Ocypus olens
Devil's Coach-horse Beetle, Devil's Coach-horse, Devil's Footman, Devil's Steed
Ocypus olens, commonly known as the Devil's Coach-horse Beetle, is a large rove beetle in the family Staphylinidae. Originally described as Staphylinus olens in 1764, this species has a long history of association with folklore and superstition across Europe, particularly in Ireland where it was known as 'Dar Daol' (the Devil's beetle). The beetle is a formidable predator with an intimidating defensive posture—raising its curled abdomen like a scorpion when threatened. In North America, it has been introduced to California where field studies suggest it may serve as a biological control agent for the brown garden snail (Helix aspersa), an agricultural pest.
Ocyusa
Ocyusa is a genus of rove beetles (family Staphylinidae) in the tribe Oxypodini. It was described by Kraatz in 1856. The genus contains at least two described species: Ocyusa apicalis and Ocyusa argus. Species are recorded from Europe and North America.
Oecotheini
Oecotheini is a tribe of rove beetles (Staphylinidae) within the subfamily Staphylininae. Members of this tribe are characterized by specific morphological features related to their mouthparts and body structure. The tribe includes the genus Oecothea, which contains species adapted to particular ecological niches. Oecotheini represents a relatively small and specialized lineage within the diverse rove beetle fauna.
Oligota
Oligota is a genus of small rove beetles in the family Staphylinidae. Multiple species have been documented as predators of mites, particularly spider mites (Tetranychus urticae), and are studied for their potential use in biological control. The genus has a cosmopolitan distribution with species recorded across North America, Europe, and Asia. Individual species show specialized predatory behaviors and habitat associations ranging from decaying organic matter to agricultural crop environments.
Oligota chrysopyga
Oligota chrysopyga is a small rove beetle in the subfamily Aleocharinae, characterized by its compact body and metallic coloration. The species has been introduced to multiple regions outside its native range, including Europe, Canada, and the United States. Its wide distribution across tropical and subtropical zones suggests human-mediated dispersal, though specific ecological impacts remain poorly documented.
Olisthaerus
Olisthaerus is a genus of rove beetles in the family Staphylinidae, classified in the subfamily Olisthaerinae. The genus was established by Dejean in 1833 and includes at least two recognized species: O. megacephalus and O. substriatus. These beetles are found in Europe and North America. The genus is characterized by distinct morphological features that set it apart from other staphylinid genera.
Olophrum
Olophrum is a genus of rove beetles (Staphylinidae: Omaliinae) distributed across Eurasia and North America. The genus contains at least seven recognized North American species, including four Holarctic species (O. latum, O. boreale, O. consimile, O. rotundicolle), one eastern North American endemic (O. obtectum), and two western North American species (O. cascadense, O. idahoense). Species-level taxonomy has been revised with lectotype designations and synonymies established.
Olophrum consimile
Olophrum consimile is a Holarctic rove beetle (Staphylinidae: Omaliinae) found across northern North America and Eurasia. First described by Gyllenhal in 1810, this species has accumulated multiple junior synonyms due to morphological variability. The species is part of a genus of small, ground-dwelling beetles associated with moist forest habitats.
Olophrum latum
Olophrum latum is a holarctic rove beetle (Staphylinidae: Omaliinae) first described by Mäklin in 1853. It is one of seven North American species in the genus Olophrum, distinguished from congeners by specific morphological features detailed in taxonomic revisions. The species was previously known under the synonym O. brevicolle Bernhauer. It occurs across northern regions of North America and Eurasia.
Olophrum obtectum
Olophrum obtectum is a rove beetle in the subfamily Omaliinae, endemic to eastern North America. It was formally revised and recognized as distinct from holarctic congeners in a 1983 taxonomic treatment. The species is one of seven North American Olophrum species and is distinguished by its restricted eastern distribution.
Omaliini
ocellate rove beetles
Omaliini is a tribe of rove beetles within the subfamily Omaliinae, characterized by the presence of ocelli. The tribe comprises approximately 45 genera and 450 described species distributed across all zoogeographic regions. Fossil evidence from Cretaceous amber has established the minimum age of the tribe at approximately 100 million years. The tribe exhibits considerable morphological and ecological diversity, with ongoing taxonomic research revealing numerous new species, particularly in Asia and the Papuan Region.
Omalium
Omalium is a genus of ocellate rove beetles (Staphylinidae: Omaliinae) containing at least 70 described species distributed across the Holarctic region. The genus has been subject to extensive taxonomic revision, with species organized into morphologically-based species groups including the Acutangulum, Amplissimum, Caesum, Oxyacanthae, and Rivulare groups. Recent revisions have described numerous new species from the Himalayan region, China, Siberia, and the Far East.
Omalium
An undescribed species within the rove beetle genus Omalium, recognized as distinct but awaiting formal taxonomic description. Members of this genus are small to medium-sized beetles characterized by abbreviated elytra that expose multiple abdominal segments. As with other Omalium species, it likely inhabits moist, decaying organic matter where it functions as a generalist predator or scavenger. The formal description and naming of this species remain pending.
Omalium rivulare
Omalium rivulare is a Holarctic ocellate rove beetle in the family Staphylinidae. Originally described as Staphylinus rivularis by Paykull in 1789, it serves as the type species for the Rivulare species group within the genus Omalium. The species has been recorded across Europe, northern Asia, and has been introduced to North America. Synonymy with O. kabakovi was established in 2025.
Omalonomus relictus
Omalonomus relictus is a rove beetle species in the family Staphylinidae, described by Campbell and Peck in 1990. The species has been recorded from western Canada (Alberta, Saskatchewan) and the northwestern United States (Utah, Washington). As a member of the subfamily Omaliinae, it belongs to a group of rove beetles often associated with forest floor habitats and decaying organic matter.
Omalorphanus aenigma
Omalorphanus aenigma is a species of rove beetle in the family Staphylinidae, described by Campbell and Chandler in 1987. It belongs to the subfamily Omaliinae and tribe Anthophagini. The species is known from the Pacific Northwest region of the United States, with records from Oregon.
Orochares
Orochares is a genus of rove beetles (Staphylinidae: Omaliinae) established by Kraatz in 1857. The genus is classified within the tribe Anthophagini. One species, Orochares debilis Sharp, has been the subject of specific ecological study. Records indicate presence in northern Europe and northeastern North America.
Orochares suteri
Orochares suteri is a species of rove beetle (Staphylinidae) described by Campbell in 1984. It belongs to the subfamily Omaliinae, a group of small to medium-sized staphylinids often associated with decaying organic matter and forest floor habitats. The species is known from a limited number of records in the northeastern and midwestern United States.
Oropodes chumash
Oropodes chumash is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It was described in 2011 by Chandler & Caterino. The species epithet refers to the Chumash people, indigenous to coastal California. Like other pselaphines, it is likely associated with ant colonies, though specific biological details remain poorly documented. The species is known from California, USA.
Orus
Orus is a genus of rove beetles in the family Staphylinidae, subfamily Paederinae, described by Casey in 1885. The genus belongs to the tribe Lathrobiini and subtribe Scopaeina. These beetles are part of the diverse Staphylinidae family, which is one of the largest families of beetles. Very little specific information is available about the biology or ecology of this particular genus.
Orus ferrugineus
Orus ferrugineus is a species of rove beetle (family Staphylinidae) in the subfamily Paederinae, described by Casey in 1905. The species is known from the western United States, with records from Arizona, California, Colorado, New Mexico, and Utah. As a member of the large rove beetle family, it likely inhabits soil and leaf litter environments typical of the group, though specific ecological details remain poorly documented.
Orus fraternus
Orus fraternus is a rove beetle (family Staphylinidae) described by Henry Clinton Fall in 1901. It belongs to the genus Orus within the tribe Lathrobiini. Very little is known about this species beyond its taxonomic placement and type locality in California.
Osoriinae
Osoriinae is a subfamily of rove beetles (Staphylinidae) containing over 100 genera organized into multiple tribes. The subfamily is predominantly tropical and subtropical in distribution, with species occurring in leaf litter, under bark, in ant nests, and in tree canopies. Many species exhibit flattened body forms adapted for moving through confined spaces.
Osorius
unmargined rove beetles
Osorius is a genus of unmargined rove beetles in the family Staphylinidae, first described by Guérin-Méneville in 1829. The genus contains approximately nine described species distributed primarily in North America. Members of Osorius are characterized by the absence of lateral margins on the elytra, a trait that distinguishes them within the subfamily Osoriinae. These beetles are ground-dwelling and associated with moist, decaying organic matter.
Osorius planifrons
unmargined rove beetle
Osorius planifrons is a rove beetle in the family Staphylinidae, subfamily Osoriinae. It belongs to a group commonly referred to as unmargined rove beetles. The species has been recorded in parts of North and Central America, with documented occurrences in the southeastern and southwestern United States and Mexico. Specific ecological and behavioral details remain limited in published sources.
Othius
A genus of rove beetles (Staphylinidae) in the tribe Othiini, characterized by elongate bodies and reduced elytra typical of the family. The genus currently includes approximately 136 species and subspecies distributed across the Palaearctic region. Taxonomic revisions have revealed distinct Western and Eastern Palaearctic species groups, separated by the Caspian Sea, with high species diversity in the Himalayas, Yunnan, Sichuan, and Taiwan.
Oxybleptes
Oxybleptes is a genus of rove beetles (Staphylinidae) established by Smetana in 1982 within the tribe Xantholinini. The genus contains at least one confirmed species, Oxybleptes davisi (Notman, 1924), which has been documented in northeastern North America with a western range extension to Minnesota. Records indicate male specimens may be collected under specific circumstances, though details remain limited. The genus is part of the hyperdiverse rove beetle family, one of the largest families of organisms on Earth.
Oxybleptes davisi
A small rove beetle in the tribe Xantholinini, first recorded in Minnesota in 2014, extending its known range considerably westward from previous records in the eastern United States. The species was described by Notman in 1924.
Oxypoda acuminata
Oxypoda acuminata is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae. It is a small, inconspicuous beetle with a Palearctic distribution, recorded across much of Europe and extending into Russia and parts of the Caucasus. The species is one of many in the large genus Oxypoda, which contains over 300 described species. Like other aleocharine rove beetles, it is likely associated with decaying organic matter and soil habitats, though specific ecological details remain poorly documented.
Oxypoda chantali
Oxypoda chantali is a species of rove beetle described from Canada and Alaska in 2006. It belongs to the large genus Oxypoda within the subfamily Aleocharinae. The species was established as part of a comprehensive revision that reorganized the North American Oxypoda fauna into 14 species groups. Like other members of its genus, it is a small-bodied staphylinid beetle with reduced elytra.
Oxypodina
Oxypodina is a subtribe of small rove beetles (Staphylinidae: Aleocharinae) established by Thomson in 1859. Members of this group are classified within the tribe Oxypodini and are characterized by their compact body form and reduced wing venation compared to related aleocharines. The subtribe includes multiple genera distributed across temperate and boreal regions. These beetles are primarily ground-dwelling and are often collected in leaf litter, moss, and other decaying organic matter.
Oxypodini
Oxypodini is a tribe of small rove beetles within the family Staphylinidae, subfamily Aleocharinae. The tribe comprises more than 50 genera and approximately 580 described species. Members are distributed across the Holarctic region, with particular diversity in the Palaearctic. Several genera, including Amarochara, Ilyobates, Tectusa, and Porocallus, have been subject to recent taxonomic revision.
Oxyporinae
Cross-toothed Rove Beetles
Oxyporinae is a subfamily of rove beetles (Staphylinidae) containing a single genus, Oxyporus, with approximately 132 species distributed worldwide. These beetles are obligate fungivores with a life cycle tightly linked to fungi. They are notable for their distinctive mandibular and mouthpart morphology.
Oxyporus elegans
Oxyporus elegans is a species of rove beetle in the family Staphylinidae, described by J.L. LeConte in 1877. It belongs to the subfamily Oxyporinae, a group characterized by their association with fungal habitats. The species is known from limited distribution records in the southern United States.
Oxyporus femoralis
Oxyporus femoralis is a species of rove beetle in the family Staphylinidae, first described by Gravenhorst in 1802. The species belongs to the subfamily Oxyporinae, a group of fungi-associated beetles. It has been recorded across eastern North America from Canada to the southern United States.
Oxyporus kiteleyi
Oxyporus kiteleyi is a rove beetle in the subfamily Oxyporinae, described by Campbell in 1978. The species is known from a limited number of records in eastern North America, spanning from Georgia in the southern United States to Quebec and New Brunswick in Canada. Like other members of Oxyporus, it is likely associated with fungal fruiting bodies, though specific ecological details remain poorly documented. The species is rarely encountered, with only three observations recorded on iNaturalist as of the available data.
Oxyporus lateralis
Oxyporus lateralis is a species of rove beetle in the family Staphylinidae, originally described by Gravenhorst in 1802. The species is currently treated as a synonym of Pseudoxyporus lateralis, reflecting taxonomic revisions within the Oxyporinae subfamily. It is distributed across eastern North America, with records from Canada and the United States. Like other members of Oxyporinae, it is associated with fungal habitats, particularly mushrooms.
Oxyporus major
Oxyporus major is a species of rove beetle in the family Staphylinidae, subfamily Oxyporinae. It is found across eastern North America, from Canada to the southeastern United States. As a member of the Oxyporinae, it is associated with fungal habitats, particularly polypore bracket fungi.
Oxyporus mexicanus
Oxyporus mexicanus is a species of rove beetle (Staphylinidae) in the subfamily Oxyporinae. The genus Oxyporus is characterized by distinctive morphological adaptations for mycophagy, including modified mouthparts for feeding on fungal substrates. This species was described by Fauvel in 1865 and is known from the southwestern United States and Mexico.
Oxyporus quinquemaculatus
A rove beetle in the family Staphylinidae, currently classified under the genus Pseudoxyporus. The species name refers to five spots. This small beetle belongs to the subfamily Oxyporinae, a group of fungi-associated rove beetles.
Oxytelini
spiny-legged rove beetles
Oxytelini is a tribe of rove beetles (family Staphylinidae) characterized by spiny legs. The tribe contains approximately 11 genera and at least 20 described species. Members are small to medium-sized beetles found in diverse terrestrial and aquatic-edge habitats. The group includes the well-known genus Oxytelus, among others.
Oxytelus
spiny-legged rove beetles
Oxytelus is a genus of rove beetles (Staphylinidae) established by Gravenhorst in 1802. It comprises over 50 described species distributed across multiple continents. Members are commonly referred to as spiny-legged rove beetles, a name reflecting a distinctive morphological feature of the group.
Oxytelus sculptus
Oxytelus sculptus is a species of rove beetle in the family Staphylinidae, described by Gravenhorst in 1806. It belongs to the tribe Oxytelini within the subfamily Oxytelinae. The species has been documented in the Azores archipelago based on distribution records. As with other members of the genus Oxytelus, it is a small beetle with the characteristic abbreviated elytra of staphylinid beetles.
Pachystilicus hanhami
Pachystilicus hanhami is a rove beetle in the family Staphylinidae, subfamily Paederinae. It is known from scattered localities across North America, with records from Canada and the United States. The genus Pachystilicus belongs to the tribe Lathrobiini, a diverse group of small to medium-sized rove beetles. Very little is known about the specific biology of this species.
Paederinae
Tomcat
Paederinae is a subfamily of rove beetles (Staphylinidae) containing three tribes: Lathrobiini, Paederini, and Pinophilini. The subfamily is notable for containing the genus Paederus and related genera that produce pederin, a potent vesicant toxin in their haemolymph that causes Paederus dermatitis in humans. The subfamily exhibits diverse ecological adaptations including myrmecophily, troglobitic cave-dwelling, and intertidal lifestyles. Over 36 genera and 436 species occur in North America alone, with global distribution across multiple biogeographic regions.
Paederus grandis
Paederus grandis is a rove beetle in the family Staphylinidae, first described by Austin in 1877. The species was previously known as Paederus lecontei until Swift and Ray (2010) synonymized the two names under the older epithet grandis. It is recorded from the southwestern United States (Arizona, California) and Mexico. Like other members of the genus Paederus, it likely possesses defensive chemistry, though specific studies on this species are lacking.
Paederus iowensis
Iowa Tomcat Rove Beetle
Paederus iowensis is a small rove beetle in the family Staphylinidae, commonly known as the Iowa Tomcat Rove Beetle. Like other members of the genus Paederus, it possesses specialized defensive glands containing pederin, a potent vesicant compound that can cause dermatitis upon contact with human skin. The species is native to the midwestern and northeastern United States and adjacent Canada.
Paederus littorarius
Shore Rove Beetle
Paederus littorarius is a species of rove beetle in the family Staphylinidae, commonly known as the Shore Rove Beetle. Like other members of the genus Paederus, this species produces pederin, a toxic compound in its hemolymph that can cause dermatitis and blistering on human skin upon contact. The species is widely distributed across northern North America.
Paederus mexicanus
Paederus mexicanus is a rove beetle in the family Staphylinidae, first described by Erichson in 1840. The genus Paederus is notable for containing species that produce pederin, a potent vesicant compound in their hemolymph that causes dermatitis and blistering on human skin upon contact. As a member of the Paederus genus, this species likely shares this defensive chemical trait, though species-specific documentation is limited. The species occurs in the southwestern United States and Mexico.
Paederus obliteratus
Paederus obliteratus is a rove beetle in the family Staphylinidae, first described by J.L. LeConte in 1878. It is one of many Paederus species known for containing pederin, a toxic compound in their hemolymph that can cause dermatitis and blistering when contacting human skin. The species occurs across eastern and southern United States. Like other members of its genus, it is a predatory beetle found in various terrestrial habitats.
Palaminus
Palaminus is a genus of rove beetles (family Staphylinidae) containing approximately 16 described species. The genus was established by Erichson in 1839 and belongs to the subfamily Paederinae, tribe Pinophilini. Rove beetles in this genus exhibit the characteristic elongated body and short elytra typical of Staphylinidae.
Palaminus testaceus
Palaminus testaceus is a rove beetle (family Staphylinidae) described by Erichson in 1840. It belongs to the subfamily Paederinae, a diverse group of rove beetles often associated with decaying organic matter and moist habitats. The species is recorded from multiple states across the eastern and central United States.
Palporus nitidulus
Palporus nitidulus is a small rove beetle in the family Staphylinidae, subfamily Tachyporinae. The species has a broad native distribution across Europe, North Africa, and Asia, and has been introduced to multiple regions including North America, Australia, New Zealand, and Hawaii. Its wide geographic spread and establishment across diverse climates suggest ecological adaptability. The species is frequently observed and relatively well-documented for a staphylinid beetle.
Papusus
Papusus is a genus of minute rove beetles in the family Staphylinidae, subfamily Scydmaeninae, tribe Papusini. The genus was described by Casey in 1897 and is the sole member of its tribe. These beetles are among the smallest staphylinids and are associated with forest floor habitats. The genus is rarely encountered, with extremely limited observational records.
Paraquedius
Paraquedius is a genus of rove beetles (Staphylinidae) established by Casey in 1915. It has been treated historically as a subgenus of Quedius, and taxonomic sources differ in its current rank (genus versus subgenus). The genus is part of the diverse tribe Staphylinini, one of the largest lineages of rove beetles. Records in iNaturalist are sparse, with only six observations documented.
Paraquedius marginicollis
Paraquedius marginicollis is a species of rove beetle in the family Staphylinidae, described by Brunke in 2022. The genus Paraquedius belongs to the diverse rove beetle lineage, characterized by their shortened elytra that expose most of the abdomen. As a recently described species, detailed information about its biology and ecology remains limited. It is known from a small number of observations, suggesting it may be relatively uncommon or undercollected.
Parocyusa
Parocyusa is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae. The genus was established by Bernhauer in 1902 and contains at least one described species, Parocyusa americana. Members are found in Europe and North America.
Parothius californicus
California Rove Beetle
Parothius californicus is a rove beetle species in the family Staphylinidae, originally described as Othius californicus by Mannerheim in 1843. It is a member of the tribe Othiini within the subfamily Staphylininae. The species is found in western North America, with records from California, Oregon, and Washington in the United States, and British Columbia in Canada. It is one of relatively few documented species in the genus Parothius.
Pelecomalium
Pelecomalium is a genus of ocellate rove beetles (family Staphylinidae) established by Casey in 1886. The genus belongs to the subfamily Omaliinae and tribe Anthophagini. At least three species have been described: P. laevicolle, P. puberulum, and P. testaceum. Members of this genus possess ocelli, a characteristic feature distinguishing them within the rove beetles.
Pella
Pella is a genus of rove beetles (family Staphylinidae) in the subfamily Aleocharinae, tribe Lomechusini. These beetles are myrmecophilous, meaning they live in association with ants. The genus was established by Stephens in 1833 and contains species that are adapted to life within ant colonies, where they exploit resources and protection provided by their hosts.
Pella angustula
Pella angustula is a species of rove beetle in the family Staphylinidae, first described by Thomas L. Casey in 1893. It is recorded from North America, specifically from Florida in the United States. The species belongs to the subfamily Aleocharinae, a large and diverse group of rove beetles.
Pella schmitti
Pella schmitti is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae, and tribe Lomechusini. It was described by Hamilton in 1895. The species is documented from eastern North America, with records from Canada (Ontario and Quebec) and the United States (Massachusetts and Pennsylvania). Like other members of the genus Pella, it is likely associated with ant colonies, though specific biological details for this species remain poorly documented.
Phacophallus
Phacophallus is a genus of rove beetles (family Staphylinidae) established by Coiffait in 1956. The genus contains approximately 28 recognized species with an almost cosmopolitan distribution, found across multiple continents. As a member of the tribe Xantholinini within the subfamily Staphylininae, these beetles share the characteristic short elytra and elongated body form typical of rove beetles. Records indicate presence in northern Europe including Denmark, Norway, and Sweden.
Phacophallus pallidipennis
Pale-winged Rove Beetle
A rove beetle (Staphylinidae) with broad native distribution across Asia and introduced populations in Europe, North America, Australia, and various oceanic islands. The species has been transported widely through human activity, with established populations documented from the Canary Islands to Hawaii.
Phanerota
Phanerota is a genus of rove beetles (family Staphylinidae) comprising five described species. The genus was established by Casey in 1906 and belongs to the tribe Homalotini within the subfamily Aleocharinae. Species in this genus are distributed across North America and the Caribbean, with records from the United States, Cuba, and Canada.
Phanerota fasciata
Phanerota fasciata is a small rove beetle in the family Staphylinidae, subfamily Aleocharinae. The species is notable for its specialized microhabitat association: both larvae and adults inhabit the gill tissue of mushrooms. This obligate mycophilous lifestyle represents a relatively uncommon ecological specialization among staphylinid beetles. The species is broadly distributed across eastern and central North America, with records extending from southern Canada to the southern United States.
Philhygra clemens
Philhygra clemens is a rove beetle species in the family Staphylinidae, originally described by Casey in 1910. The species is currently treated as a synonym of Atheta clemens in some taxonomic databases, reflecting ongoing revisions within the large and taxonomically complex genus Atheta and its related genera. It is a small beetle with distribution records across northern North America.
Philhygra palustris
Philhygra palustris is a rove beetle (family Staphylinidae) originally described by Kiesenwetter in 1844. The species is currently recognized as a synonym of Atheta palustris in some taxonomic databases, though it retains the genus Philhygra in other treatments. It belongs to a large genus of small to medium-sized staphylinids associated with moist habitats.
Philonthus
Philonthus is a large genus of rove beetles (Staphylinidae) containing over 380 described species. These beetles are generally robust predators found in diverse habitats including decomposing organic matter, carrion, dung, and fungal substrates. The genus has a nearly cosmopolitan distribution with particular diversity in the Palaearctic region. Several species have been documented as rapidly colonizing new habitats and competing with native species.
Philonthus asper
Philonthus asper is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to the large genus Philonthus, which comprises numerous predatory species commonly found in decaying organic matter, carrion, and fungal habitats. The species is documented from eastern North America, with records spanning Canada and the eastern United States. Like other members of its genus, it is presumed to be a predator of small invertebrates in microhabitats rich in decomposing material.
Philonthus aurulentus
Philonthus aurulentus is a species of rove beetle in the family Staphylinidae, first described by Horn in 1884. The specific epithet 'aurulentus' suggests a golden or gold-colored appearance. The species occurs in western North America, with records from the Canadian provinces of Alberta, British Columbia, Manitoba, Northwest Territories, and Saskatchewan, and from the western United States including Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, North Dakota, Nebraska, Oregon, Utah, Washington, and Wyoming. Like other members of the genus Philonthus, it is likely a predatory beetle associated with decaying organic matter, though specific ecological details remain poorly documented.
Philonthus boreas
Philonthus boreas is a species of rove beetle in the family Staphylinidae, described by Smetana in 1995. It belongs to a large genus of predatory beetles commonly found in diverse habitats including carrion, fungi, and decaying organic matter. The species has a transcontinental distribution across northern North America.
Philonthus caeruleipennis
Blue-winged Rove Beetle
A medium-sized rove beetle with striking metallic blue-green elytra contrasting against a black body. It is predatory, hunting other insects in fungal and decaying organic matter habitats. The species occurs across northern North America and parts of Eurasia.
Philonthus carbonarius
Philonthus carbonarius is a rove beetle (family Staphylinidae) native to the Palearctic region, introduced to North America. It is a predatory species associated with decaying organic matter, including carrion and fungi. The species was first documented in North America in the late 20th century and has since established populations across Canada and the United States.
Philonthus caucasicus
Philonthus caucasicus is a rove beetle in the family Staphylinidae, first described by Nordmann in 1837. The species is native to the Caucasus region and broader Eurasia, with established introduced populations in North America. As a member of the large genus Philonthus, it shares the characteristic shortened elytra and predatory habits typical of staphylinid beetles.
Philonthus cautus
Philonthus cautus is a rove beetle in the family Staphylinidae, described by Erichson in 1840. As a member of the large genus Philonthus, it shares the characteristic shortened elytra and predatory habits typical of staphylinid beetles. The species is known from the southeastern United States, with records from Alabama through Texas and north to Maryland and Virginia. Like other Philonthus species, it likely inhabits decaying organic matter where it preys on other small invertebrates.
Philonthus concinnus
Philonthus concinnus is a rove beetle in the family Staphylinidae, first described by Gravenhorst in 1802. The genus Philonthus is a large and diverse group of predatory rove beetles, though specific ecological details for P. concinnus remain poorly documented in available sources. The species has a broad distribution spanning Europe, North Africa, the Middle East, Central Asia, and parts of East Asia, and has been introduced to North America where it is now established in Canada and the United States. Like other members of its genus, it is presumed to be predatory, but direct observations of its biology are sparse.
Philonthus debilis
Philonthus debilis is a rove beetle in the family Staphylinidae. As a member of the genus Philonthus, it belongs to a diverse group of predatory beetles commonly associated with carrion, dung, and other decomposing organic matter. The species has been recorded across a broad geographic range spanning the Palearctic region and has been introduced to North America. Like other Philonthus species, it likely plays a role in carrion succession as a predator on fly larvae and other small insects.
Philonthus discoideus
Disk-shaped Rove Beetle
Philonthus discoideus is a predatory rove beetle in the family Staphylinidae, widespread across multiple continents including native Palearctic distribution and introduced ranges in the Americas, Australasia, and Pacific islands. The species has been observed in carrion-associated habitats and exhibits typical staphylinid morphology with shortened elytra exposing most of the abdomen. Its broad distribution suggests ecological adaptability, though specific behavioral and life history details remain poorly documented in published sources.
Philonthus flumineus
Philonthus flumineus is a rove beetle in the family Staphylinidae, described by Casey in 1915. The species epithet 'flumineus' (Latin for 'of rivers') suggests an association with riparian or streamside habitats. As a member of the large genus Philonthus, it shares the characteristic shortened elytra and predatory habits typical of this group. Available distribution records indicate a broad North American range across eastern Canada and much of the United States.
Philonthus gentilis
Philonthus gentilis is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to the large and diverse genus Philonthus, which contains numerous predatory species associated with various habitats including decaying organic matter, fungi, and carrion. The species has been documented from the southwestern United States and Mexico, with records from Arizona and Texas. Like other members of its genus, it is presumed to be predatory, though specific ecological details remain poorly documented.
Philonthus gopheri
Gopher Tortoise Rove Beetle
Philonthus gopheri is a species of rove beetle (family Staphylinidae) described by Hubbard in 1894. It is commonly known as the Gopher Tortoise Rove Beetle due to its documented association with gopher tortoise burrows. The species is known from Florida, USA, and like other members of the genus Philonthus, it is likely predatory. Very few observations of this species exist in public databases.
Philonthus gracilior
Philonthus gracilior is a rove beetle in the family Staphylinidae, described by Casey in 1915. It is a member of the large genus Philonthus, which contains numerous predatory species associated with decaying organic matter. The species is recorded from both Canada and the United States, with a transcontinental distribution across northern and central regions of North America.
Philonthus hepaticus
Philonthus hepaticus is a large rove beetle in the family Staphylinidae, first described by Erichson in 1840. It is one of the larger species within the genus Philonthus. The species has a broad distribution across the Americas, with records from Canada through Argentina and the Caribbean, and has been introduced to Australia and New Zealand. In Canada, it was first documented in British Columbia, with a second record from New Brunswick representing the first eastern Canadian occurrence.
Philonthus jurgans
Philonthus jurgans is a rove beetle in the family Staphylinidae, first described by Tottenham in 1937. The species has been documented across Europe, Russia, Turkey, and Japan, and has been introduced to North America where it occurs in Canada and the United States. It was recently recorded as a new and adventive species in the Republic of Moldova, found in a grapevine plantation. As a member of the genus Philonthus, it likely shares the predatory habits common to this group of rove beetles.
Philonthus lomatus
Philonthus lomatus is a rove beetle species in the family Staphylinidae, first described by Erichson in 1840. It belongs to the large genus Philonthus, which contains numerous predatory species commonly associated with decaying organic matter. The species has a broad transcontinental distribution across North America, with records from Canada and throughout much of the United States.
Philonthus neonatus
Philonthus neonatus is a species of rove beetle in the family Staphylinidae, described by Smetana in 1965. It belongs to the large and diverse genus Philonthus, which contains numerous predatory species commonly associated with decaying organic matter, fungi, and other insects. The species is documented from eastern North America, with records spanning Canada and the eastern United States. Like other members of its genus, it is likely predatory, though specific ecological details for this species remain poorly documented.
Philonthus nudus
Philonthus nudus is a rove beetle species in the family Staphylinidae, first described by Sharp in 1874. It belongs to the large genus Philonthus, which contains numerous predatory species associated with various habitats including carrion, fungi, and decaying organic matter. The species has a documented distribution across the Holarctic region, including parts of East Asia and western North America.
Philonthus politus
Philonthus politus is a rove beetle in the family Staphylinidae. It is a small, predatory beetle approximately 10 mm in length. The species has been documented in association with carrion, where it feeds on fly maggots and other small insects. It occurs in North America and has been recorded from the Azores islands (Faial, Pico, São Jorge, São Miguel, Santa Maria). The species was first described by Linnaeus in 1758.
Philonthus quadricollis
Philonthus quadricollis is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to a large genus of predatory beetles commonly associated with decaying organic matter and carrion. The species has a broad transcontinental distribution across North America, with records from Canada and much of the United States.
Philonthus rectangulus
Philonthus rectangulus is a rove beetle species described by Sharp in 1874. It belongs to the large genus Philonthus within the family Staphylinidae. The species has been documented in southern South America, the Republic of Moldova, and parts of Europe including the Azores islands and the Balkans. As a member of the rove beetle family, it likely exhibits the characteristic shortened elytra and predatory habits typical of the group, though specific ecological details remain poorly documented in available literature.
Philonthus rufulus
Philonthus rufulus is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to the large genus Philonthus, which contains numerous species of predatory beetles commonly found in diverse habitats. The species has a broad distribution across North America, extending from Canada through the United States to Mexico and parts of the Caribbean. Like other members of its genus, it likely exhibits predatory behavior, though specific ecological details for this species remain poorly documented in available sources.
Philonthus sanguinolentus
A medium-sized rove beetle in the genus Philonthus, characterized by dark coloration with reddish or blood-red markings that give the species its name. Like other members of Staphylinidae, it exhibits the family's distinctive short elytra that leave much of the abdomen exposed. The species has a Palearctic native distribution but has been introduced to North America, where it is established in the Pacific Northwest and parts of Canada.
Philonthus schwarzi
Philonthus schwarzi is a rove beetle in the family Staphylinidae, first described by Horn in 1884. The species is part of the large genus Philonthus, which contains numerous predatory rove beetles commonly associated with decaying organic matter and carrion habitats. It occurs across northern and eastern North America, with records from both the United States and Canada.
Philonthus sericinus
Philonthus sericinus is a rove beetle in the family Staphylinidae, described by Horn in 1884. The genus Philonthus comprises predatory beetles commonly found in decaying organic matter and fungi. This species occurs in eastern North America, with records from Canada and the United States. Like other members of its genus, it likely preys on small invertebrates in decomposing substrates.
Philonthus sessor
Philonthus sessor is a rove beetle in the family Staphylinidae, described by Smetana in 1965. It belongs to the large and diverse genus Philonthus, which contains numerous predatory species associated with decaying organic matter, fungi, and carrion. The species is known from northeastern North America, with records from Canada and the northeastern United States. Like other members of its genus, it likely functions as a generalist predator in decomposing habitats.
Philonthus thoracicus
Philonthus thoracicus is a species of rove beetle in the family Staphylinidae. As a member of the genus Philonthus, it is part of a large group of predatory beetles commonly associated with decomposing organic matter. The species occurs across much of North America, with documented records from Canada and numerous U.S. states. Like other Philonthus species, it likely inhabits carrion, dung, and other nutrient-rich decaying substrates where it preys on small invertebrates.
Philonthus triangulum
Philonthus triangulum is a rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to a large genus of predatory beetles commonly found in decomposing organic matter and other habitats where small invertebrate prey is abundant. Like other members of Philonthus, it exhibits the characteristic shortened elytra and exposed abdominal segments typical of rove beetles. The species is recorded from western North America including the Pacific Northwest and southwestern United States, extending into Mexico.
Philonthus umbratilis
Philonthus umbratilis is a rove beetle in the family Staphylinidae, originally described from Europe and now widely distributed across the Northern Hemisphere. The species has been introduced to North America, Australia, and New Zealand. Like other members of the genus Philonthus, it is a predatory beetle associated with decaying organic matter. The species exhibits the characteristic shortened elytra and flexible abdomen typical of staphylinid beetles.
Philonthus varians
A rove beetle in the family Staphylinidae with a wide native distribution across the Palearctic region and established introduced populations in North America and elsewhere. As a member of the large genus Philonthus, it is one of many similar-looking predatory rove beetles. The species has been documented in carrion habitats alongside other decomposer-associated beetles.
Philonthus vulgatus
Philonthus vulgatus is a species of rove beetle in the family Staphylinidae, first described by Casey in 1915. It belongs to the large genus Philonthus, which contains numerous predatory species associated with various habitats including decaying organic matter, fungi, and carrion. The species has a broad distribution across northern North America and parts of Russia. Like other members of its genus, it is presumed to be predatory, though specific ecological details for this species remain poorly documented.
Philotermes
Philotermes is a genus of rove beetles (family Staphylinidae) containing seven described species. The genus belongs to the tribe Philotermitini within the subfamily Aleocharinae. Species were described between 1857 and 1957, with most described by Kraatz in 1857 and Seevers in 1938 and 1957. The genus is taxonomically accepted and placed within the rove beetle lineage Staphylinoidea.
Philotermes pilosus
Philotermes pilosus is a species of rove beetle in the family Staphylinidae, first described by Kraatz in 1857. It is a member of the tribe Philotermitini, a group associated with termite colonies. The species is recorded from eastern and central North America, with distribution records from multiple states including Illinois, Indiana, Massachusetts, New York, Tennessee, and Ohio. As with other members of its tribe, it is presumed to be a termitophile, though specific ecological details remain poorly documented.
Phlaeopterus
Phlaeopterus is a genus of omaliine rove beetles containing 22 species distributed across northwestern North America and eastern Asia. The genus exhibits notable evolutionary transitions in body size, with two independent origins of large-bodied adults (exceeding 5 mm) from a small-bodied common ancestor. Large-bodied species are exclusively associated with alpine snowfield habitats, though statistical support for this correlation remains unconfirmed. The genus is monophyletic based on combined molecular and morphological phylogenetic analyses.
Phlaeopterus cavicollis
Phlaeopterus cavicollis is a rove beetle in the subfamily Omaliinae, first described from the Pacific Northwest region. The species is associated with cool, moist montane and coastal environments across western North America. It belongs to a genus characterized by compact body forms and association with forest floor habitats. Available records suggest it occupies a relatively narrow geographic range compared to some congeners.
Phloeocharinae
Phloeocharinae is a subfamily of rove beetles (Staphylinidae) characterized by distinctive abdominal tergal combs and procoxal morphology. The group contains five genera and six species in North America, with the genus Phloeocharis dominating the European fauna. Members are primarily saproxylic, inhabiting damp forest environments under bark and in leaf litter. The biology of most species remains poorly known.
Phloeocharis
Phloeocharis is a genus of rove beetles in the subfamily Phloeocharinae. Species in this genus are saproxylic, living under tree bark in association with bark beetle communities. The genus is native to the Palearctic region, with at least one species, Phloeocharis subtilissima, introduced to North America via port cities.
Phloeocharis californica
A small rove beetle endemic to California, described in 1980 from specimens collected in the state. As a member of the subfamily Phloeocharinae, it belongs to a group of staphylinids typically associated with forest floor habitats and decaying organic matter. The species is known from very few records, reflecting either genuine rarity or limited survey effort in its habitat.
Phloeocharis subtilissima
Phloeocharis subtilissima is a small rove beetle (Staphylinidae: Phloeocharinae) native to the Palearctic region. It was first documented in North America in 2004 from Point Pleasant Park, Halifax, Nova Scotia, representing an introduction via maritime shipping. The species belongs to a subfamily associated with decaying plant matter and fungal habitats.
Phloeonomus
Protea Rove Beetles
Phloeonomus is a genus of ocellate rove beetles in the family Staphylinidae, subfamily Omaliinae, containing approximately eight described species. Species within this genus are obligate saproxylic beetles associated with decaying wood and polypore fungi. The larval stages have been characterized for at least one species (P. punctipennis), showing three instars with morphological differences in antennal, leg, and urogomphal proportions between early and late instars.
Phloeonomus suffusus
Phloeonomus suffusus is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It is documented from coastal regions of western North America, including British Columbia, Alaska, Washington, Oregon, and California. Like other members of its genus, it is likely associated with decaying plant matter and fungal habitats in moist forest environments. The species was described by Casey in 1893.
Phloeopora
Phloeopora is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae. The genus was established by Erichson in 1837 and contains species distributed across Europe, Australia, and the Americas. Members of this genus belong to the tribe Oxypodini and subtribe Phloeoporina. Documented species include Phloeopora adversa and Phloeopora africana.
Phloeopora gilbertae
Phloeopora gilbertae is a species of rove beetle in the subfamily Aleocharinae, described from Canada in 2016. It belongs to a genus associated with forest floor habitats and decaying organic matter. The species is known from scattered localities across northern North America.
Phloeopora oregona
Phloeopora oregona is a species of rove beetle (family Staphylinidae) described by Casey in 1906. As a member of the subfamily Aleocharinae and tribe Oxypodini, it belongs to one of the most species-rich lineages of beetles. The specific epithet 'oregona' indicates its association with Oregon, which forms part of its known distribution in western North America.
Phloeostiba
Phloeostiba is a genus of rove beetles in the family Staphylinidae, subfamily Omaliinae. The genus was established by C.G. Thomson in 1858. Species are distributed across Eurasia, Australia, and North America, with confirmed records from Denmark, Norway, and Sweden. The genus includes at least two described species: Phloeostiba azorica and Phloeostiba kamijoi.
Phyllodrepa punctiventris
Phyllodrepa punctiventris is a rove beetle (Staphylinidae) in the subfamily Omaliinae. It is a small beetle with limited published information on its biology. The species has been recorded from eastern North America, with distribution records spanning from Ontario, Canada south to Georgia and west to Oklahoma.
Phymatura
Phymatura is a genus of rove beetles (Staphylinidae) in the subfamily Aleocharinae, tribe Homalotini, subtribe Bolitocharina. The genus was erected by Sahlberg in 1876. At least five species are now recognized globally, including P. blanchardi, P. brevicollis, P. japonica, and P. russa. Taxonomic boundaries within the genus remain problematic and require further study, including DNA analysis.
Piestus
flat rove beetles
Piestus is a genus of flat rove beetles established by Gravenhorst in 1806. The genus contains more than 30 described species and is classified within the subfamily Piestinae of the family Staphylinidae. Members of this genus are characterized by their dorsoventrally flattened body form, an adaptation associated with their habitat preferences. The genus is part of the diverse rove beetle fauna, though specific ecological details for most species remain poorly documented.
Piestus extimus
Piestus extimus is a species of flat rove beetle in the family Staphylinidae, described by Sharp in 1887. It belongs to the subfamily Piestinae, a group characterized by their dorsoventrally flattened body form. The species has been documented in limited observations, with records from the southwestern United States and Mexico. As with other members of Piestus, it likely inhabits moist microhabitats in forested or riparian environments.
Pinophilini
Pinophilini is a tribe of rove beetles in the subfamily Paederinae, family Staphylinidae. The tribe is divided into two subtribes: Pinophilina and Procirrina. The subtribe Procirrina contains eight extant genera with approximately 764 species. The oldest known fossil representative is †Cretoprocirrus trichotos from Upper Cretaceous Burmese amber (ca. 99 Ma), extending the fossil record of this tribe back from the previously known Cenozoic occurrences.
Pinophilus latipes
Pinophilus latipes is a species of rove beetle (family Staphylinidae) in the subfamily Paederinae, described by Gravenhorst in 1802. The genus name Pinophilus suggests an association with conifers (from Latin 'pinus' for pine and 'philus' for loving), though specific ecological details for this species are limited in available sources. It is recorded across eastern North America from Canada through the eastern and central United States.
Placusa tachyporoides
Placusa tachyporoides is a rove beetle (Staphylinidae: Aleocharinae) with a broad native distribution across the Palearctic, ranging from Europe and Russia through East Asia to the Himalayas. The species has been introduced to North America, with established populations in Canada and the northern United States. It belongs to the tribe Placusini, a group of small to minute aleocharines often associated with decaying organic matter and fungal substrates.
Platydracus
Platydracus is a genus of large rove beetles in the family Staphylinidae, containing more than 280 described species worldwide. Species were formerly classified in the genus Staphylinus. The genus includes some of the largest rove beetles, with adults reaching 22–35 mm in body length. Members are predatory and associated with decaying organic matter including fungi, carrion, and rotting wood.
Platydracus cinnamopterus
Cinnamon-winged Rove Beetle
Platydracus cinnamopterus is a large rove beetle in the family Staphylinidae, distributed across eastern and central North America. The species is characterized by its cinnamon-colored wing covers (elytra), which provide the specific epithet 'cinnamopterus' (cinnamon-winged). Like other members of the genus Platydracus, it is a predatory beetle commonly associated with decaying organic matter and fungal habitats.
Platydracus femoratus
Platydracus femoratus is a large rove beetle in the family Staphylinidae, distributed across much of the Americas from the United States through Central America to South America. Like other members of the genus Platydracus, it is a predatory beetle typically found in association with decaying organic matter. The species is part of a diverse genus of large, active rove beetles that occupy various ecological niches including fungal habitats and decomposing substrates.
Platydracus fossator
Red-spotted Rove Beetle
Platydracus fossator is a large rove beetle in the family Staphylinidae, commonly known as the Red-spotted Rove Beetle. It is one of the larger species in the genus Platydracus, which includes many of North America's most conspicuous rove beetles. The species is widely distributed across eastern and central North America, with records extending from Canada through much of the United States. Like other members of its genus, it is a predatory beetle associated with decaying organic matter and decomposing substrates.
Platydracus immaculatus
Immaculate Rove Beetle
Platydracus immaculatus is a large rove beetle in the family Staphylinidae, commonly known as the Immaculate Rove Beetle. The species is native to North America and is among the larger members of the genus Platydracus, which includes many of our most conspicuous rove beetles. Like other staphylinids, it possesses shortened forewings (elytra) that leave most of the abdomen exposed, and is capable of rapid movement when disturbed.
Platydracus maculosus
Brown Rove Beetle
Platydracus maculosus is a large rove beetle in the family Staphylinidae, commonly known as the Brown Rove Beetle. It is among the largest members of its family in North America, measuring 22-35 millimeters in length. The species is a predatory insect attracted to decomposing organic matter and fungi, where it hunts other insects. It has been documented across eastern North America and is recognized as a significant presence in forensic entomology contexts due to its attraction to carrion.
Platydracus mysticus
Mystic Rove Beetle
Platydracus mysticus is a large rove beetle in the family Staphylinidae, native to eastern North America. It is one of the larger species in the genus Platydracus, which includes many of the most conspicuous rove beetles in the region. Like other members of its genus, it is a predatory beetle attracted to decomposing organic matter where it hunts other insects. The species occurs across a broad range of eastern and central North America, from Canada through the United States.
Platydracus phoenicurus
Platydracus phoenicurus is a species of rove beetle in the family Staphylinidae. The genus Platydracus contains many of the larger rove beetles, with species typically measuring 20-35 millimeters in length. Like other rove beetles, members of this genus have shortened forewings (elytra) that expose most of the abdomen, and are known for rapid movement and defensive secretion of foul substances. The specific epithet 'phoenicurus' refers to the reddish tail or abdomen, a characteristic coloration feature of this species.
Platydracus pinorum
Platydracus pinorum is a large rove beetle in the family Staphylinidae, native to the southeastern United States. The genus Platydracus includes many of the largest rove beetles in North America. Members of this genus are predatory, with some species attracted to decomposing organic matter where they hunt other insects. The specific epithet 'pinorum' suggests an association with pine habitats, though detailed ecological studies are limited.
Platydracus praelongus
Platydracus praelongus is a large rove beetle in the family Staphylinidae, native to North America. The species belongs to a genus containing some of the largest rove beetles, with individuals reaching substantial body lengths compared to most staphylinids. Like other Platydracus species, it is a predatory beetle. The species has been documented across eastern and southern United States, with records extending into Mexico.
Platydracus praetermissus
Platydracus praetermissus is a species of rove beetle in the family Staphylinidae, described by Newton in 2011. As a member of the genus Platydracus, it belongs to a group of relatively large, predatory rove beetles. The specific epithet "praetermissus" (Latin for "overlooked" or "neglected") suggests this species may have been previously confused with or mistaken for related taxa. Like other Platydracus species, it is likely a generalist predator in forest floor and decomposing organic matter habitats.
Platydracus sepulchralis
Platydracus sepulchralis is a species of large rove beetle in the family Staphylinidae. It is a member of the diverse Staphylininae subfamily and belongs to the genus Platydracus, which includes many of the larger rove beetles. The species is native to western North America, with documented occurrences in the southwestern United States and Mexico.
Platydracus tomentosus
Platydracus tomentosus is a large rove beetle in the family Staphylinidae. It belongs to a genus of predatory beetles frequently associated with decomposing organic matter and fungal habitats. The species has been documented across eastern North America, with records from Canada through the eastern and central United States.
Platydracus undescribed-fla
An undescribed species of large rove beetle in the genus Platydracus, recognized from Florida but not yet formally described in the scientific literature. Members of this genus are among the largest rove beetles in North America, typically characterized by their elongated bodies, shortened forewings (elytra) that leave most of the abdomen exposed, and predatory habits.
Platydracus undescribed-fla-b
Platydracus violaceus
Platydracus violaceus is a large rove beetle in the family Staphylinidae, native to North America. The species is among the larger members of the genus Platydracus, which includes predatory beetles commonly associated with decomposing organic matter and fungal habitats. It has been documented across eastern and central North America, with records extending from Canada through the United States. Like other members of its genus, it is likely a generalist predator, though specific ecological studies on this species are limited.
Platydracus zonatus
Platydracus zonatus is a large rove beetle in the family Staphylinidae, native to North America. It is among the larger species in the genus Platydracus, which contains many of the most conspicuous and predatory rove beetles. The species has been documented across a broad geographic range in eastern and central North America, with records extending from Canada through the eastern United States. Like other members of its genus, it is a predatory beetle associated with decaying organic matter and fungal habitats.
Platyprosopinae
Platyprosopinae is a subfamily of rove beetles (Staphylinidae) established by Moore in 1964. It is currently treated as a synonym within the subfamily Staphylininae, tribe Platyprosopini. The group represents a historical taxonomic concept that has been subsumed into broader staphylinine classification. Members of the tribe Platyprosopini, to which this subfamily referred, are characterized by distinctive morphological features within the diverse rove beetle fauna.
Platyprosopus
Platyprosopus is a genus of rove beetles (Staphylinidae: Staphylininae) comprising the monotypic tribe Platyprosopini. Species exhibit a nearly worldwide distribution and are consistently associated with humid environments near rivers. The genus is notable for possessing a distinctive set of three abdominal openings at the base of tergites and sternites, associated with a reinforced muscular system and presumed glandular cells, though the biological function of these structures remains unknown.
Platystethus
spiny-legged rove beetles
Platystethus is a genus of spiny-legged rove beetles in the family Staphylinidae, subfamily Oxytelinae. The genus contains approximately six described species distributed across multiple continents. At least one species, P. arenarius, has been documented exhibiting sub-social behavior. Members of this genus are characterized by modified hind legs with spiny projections.
Platystethus americanus
spiny-legged rove beetle
Platystethus americanus is a species of rove beetle in the family Staphylinidae, subfamily Oxytelinae. It is characterized by spiny legs, a trait common to members of its genus. The species has a broad geographic distribution spanning North America, Central America, and Oceania, with documented records from Canada, the United States, Mexico, Hawaii, and Japan. New distributional records have been reported, indicating ongoing range documentation.
Platystethus degener
spiny-legged rove beetle
Platystethus degener is a species of rove beetle in the family Staphylinidae, characterized by spiny legs. It is native to the Palearctic region, with established introduced populations in North America. The species was first described by Mulsant & Rey in 1878. Like other members of the genus Platystethus, it belongs to the subfamily Oxytelinae, a group known for their compact body form and association with decaying organic matter.
Platystethus spiculus
Platystethus spiculus is a small rove beetle (Staphylinidae) first described from South America in 1840. The species has established an exceptionally broad distribution across the Neotropics and has been introduced to the Galápagos Islands and Tahiti. Its spread to oceanic islands suggests human-mediated dispersal, likely through agricultural or horticultural trade. The species belongs to the subfamily Oxytelinae, whose members are often associated with decaying organic matter and moist microhabitats.
Platyusa sonomae
Platyusa sonomae is a species of rove beetle in the family Staphylinidae. It is the sole described species in the monotypic genus Platyusa. The species is found in the western United States, particularly in California and Arizona, with scattered records elsewhere.
Pontomalota
Pontomalota is a genus of rove beetles (Staphylinidae) in the tribe Athetini, established by Casey in 1885. The genus belongs to a group of 'sea shore genera' within the family, suggesting association with coastal habitats. Two species are currently recognized: Pontomalota opaca (LeConte, 1863) and Pontomalota terminalia Ahn & Ashe, 1992. The genus is classified in the subfamily Aleocharinae, one of the largest and most diverse lineages of rove beetles.
Pontomalota opaca
Pontomalota opaca is a species of rove beetle in the family Staphylinidae, first described by John Lawrence LeConte in 1863. The genus Pontomalota is characterized as a "sea shore genus," suggesting ecological affinity for coastal environments. This small beetle occurs in western North America, with records from Pacific coastal regions extending from Alaska through British Columbia to California, Oregon, and Washington, plus inland records from the northwestern United States. The species is among the least documented members of its genus, with limited observational records despite its relatively broad geographic range.
Prolibia
Prolibia is a genus of rove beetles (Staphylinidae) in the subfamily Osoriinae, described by Newton in 2017. It belongs to the tribe Thoracophorini and subtribe Clavilispinina. The genus is relatively recently described with limited published information available.
Prolibia prolixa
Prolibia prolixa is a species of rove beetle (Staphylinidae) in the subfamily Osoriinae, described by J.L. LeConte in 1877. It belongs to a genus characterized by distinctive antennal structures. The species has been documented in northeastern North America.
Prolibia rufescens
Prolibia rufescens is a species of rove beetle (Staphylinidae) in the subfamily Osoriinae, described by Hatch in 1957. It is a small beetle with documented occurrences in western North America. The specific epithet "rufescens" refers to a reddish coloration. As a member of the Osoriinae, it belongs to a group of litter-dwelling rove beetles typically found in moist, decomposing organic matter.
Proteinus basalis
Proteinus basalis is a species of rove beetle in the family Staphylinidae, first described by Mäklin in 1852. It belongs to the subfamily Proteininae, a group of small staphylinids often associated with decaying organic matter. The species has been recorded across western North America from Alaska to California, with additional records in western Canada. Like other members of its genus, it is likely associated with moist, decaying substrates where it feeds on fungal spores and small invertebrates.
Proteinus brachypterus
Proteinus brachypterus is a small rove beetle (Staphylinidae) characterized by reduced hind wings (brachyptery), a trait reflected in its species name. It is widely distributed across the Holarctic region, with confirmed records from Europe, North Africa, the Middle East, Russia, and western North America. The species inhabits various decaying organic substrates and is associated with forest floor and riparian environments. Like other members of Proteininae, it is presumed to be a predator or scavenger in microarthropod communities, though specific ecological studies are limited.
Proteinus collaris
Proteinus collaris is a small rove beetle in the family Staphylinidae, described by Hatch in 1957. It belongs to the subfamily Proteininae, a group of beetles often associated with fungal habitats. The species is known from the Pacific Northwest region of North America, with records from coastal British Columbia, Washington, and Alaska. Like other members of the genus Proteinus, it is likely associated with decaying organic matter and fungal fruiting bodies.
Pselaphitae
Pselaphitae is a supertribe of minute rove beetles (Staphylinidae: Pselaphinae) characterized by compact, often hump-backed bodies with shortened elytra. The group comprises nine tribes and at least thirteen described genera, including Pselaphus, Tmesiphorus, and Tyrus. Members are primarily distributed in the Northern Hemisphere, with notable radiations in New Zealand where several endemic genera have been described. The supertribe was established by Latreille in 1802 and remains an active subject of taxonomic revision.
Pselaphomimus
Pselaphomimus is a genus of rove beetles in the family Staphylinidae, subfamily Osoriinae. It was established by Bruch in 1942 and belongs to the tribe Thoracophorini. The genus is rarely encountered in collections and biological literature, with minimal published information on its species composition and natural history.
Pselaphomimus amphiphilus
Pselaphomimus amphiphilus is a rove beetle species in the family Staphylinidae, described by Bruch in 1942. It belongs to the subfamily Osoriinae, a group of small, soil-dwelling beetles. The species is known from Argentina based on limited collection records.
Pselaphus
ant-loving beetles
Pselaphus is a genus of rove beetles (Staphylinidae) in the subfamily Pselaphinae, containing at least 20 described species. These beetles are commonly referred to as "ant-loving beetles" due to their well-documented associations with ants. Members of this genus exhibit highly compact thoracic skeletal structures with reduced sutures and simplified flight musculature, indicating flightlessness in at least some species. The genus has been subject to detailed anatomical study, particularly regarding thoracic morphology and adaptations to myrmecophilous lifestyles.
Pselaphus erichsoni
Pselaphus erichsoni is a species of ant-loving beetle in the family Staphylinidae. It is found in North America. The species belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies.
Pselaptus
Pselaptus is a genus of minute rove beetles in the subfamily Pselaphinae, family Staphylinidae. Members of this genus are characterized by their small size and the compact body form typical of pselaphine beetles. The genus was established by John Lawrence LeConte in 1880. Like other pselaphines, species in this genus are presumed to inhabit leaf litter and soil microhabitats, though specific ecological details remain poorly documented.
Pselaptus belfragei
Pselaptus belfragei is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by LeConte in 1880 and is currently accepted as a valid species. The species is recorded from the southwestern United States, specifically Arizona, California, and Texas. As a member of the Pselaphinae, it belongs to a diverse group of small beetles often associated with leaf litter and soil habitats.
Pseudactium arcuatum
ant-loving beetle
Pseudactium arcuatum is a small rove beetle in the subfamily Pselaphinae, commonly known as ant-loving beetles. It was described by John Lawrence LeConte in 1849 and is known from the southeastern United States. Members of this subfamily are typically myrmecophilous, living in close association with ant colonies.
Pseudolathra
Pseudolathra is a genus of rove beetles (Staphylinidae: Paederinae) established by Casey in 1905. The genus comprises approximately 13 species in the East Palaearctic and Oriental regions, with six species described in 2012 from Thailand, India, Pakistan, and Nepal. Species are currently divided between two subgenera: Allolathra for East Palaearctic/Oriental species and Pseudolathra for West Palaearctic species, reflecting separate phylogenetic lineages. The genus has undergone recent taxonomic revision including species revalidations, synonymies, and transfers from related genera.
Pseudolathra atriventris
Pseudolathra atriventris is a species of rove beetle (Staphylinidae) in the subfamily Paederinae, first described by Casey in 1910. The species is placed in the genus Pseudolathra, a group of small to medium-sized predatory beetles within the tribe Lathrobiini. Records indicate it occurs in the United States, specifically Oklahoma and Rhode Island. Very little is known about its biology or ecology.
Pseudolathra famelica
Pseudolathra famelica is a species of rove beetle in the family Staphylinidae, described by Casey in 1905. It belongs to the subfamily Paederinae and tribe Lathrobiini. The species has been documented from limited localities in Canada (Quebec) and the United States (Iowa, Oklahoma). As with many rove beetles, detailed natural history information remains sparse in the published literature.
Pseudomedon
Pseudomedon is a genus of rove beetles (Staphylinidae) in the subtribe Medonina, established by Mulsant & Rey in 1878. The genus contains approximately 23 species distributed across the Palaearctic, Afrotropical, Australasian, Nearctic, and Oriental regions. Larval morphology has been described for at least one species, revealing two instars with distinctive anatomical features. Adults are rarely encountered in Europe and often require male genitalia analysis for accurate species identification.
Pseudopsinae
Pseudopsinae is a small subfamily of rove beetles (Staphylinidae) containing four extant genera—Pseudopsis, Nanobius, Asemobius, and Zalobius—with approximately 55 species. The subfamily is distinguished by longitudinal carinae on the head, pronotum, and elytra, and a fine stridulatory file on the genital segment. Fossil records extend to the Lower Cretaceous (~125 Ma), indicating an ancient origin. Members inhabit moist microhabitats including forest leaf litter, fungi, and riparian moss.
Pycnoglypta campbelli
A small rove beetle in the subfamily Omaliinae, described from North American material in 1995. Known from scattered records across boreal and temperate regions of Canada and the northern United States. The genus Pycnoglypta contains few species and is characterized by compact body form and distinctive mouthpart structures.
Pycnoglypta fracta
Pycnoglypta fracta is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It belongs to the tribe Omaliini, a group of small to medium-sized beetles commonly associated with decaying organic matter and forest floor habitats. The genus Pycnoglypta is part of the diverse staphylinid fauna of North America.
Pycnoplectus spinifer
Pycnoplectus spinifer is a species of ant-loving beetle in the family Staphylinidae, described by Casey in 1884. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles commonly associated with ant colonies. The species is documented from multiple states across the southern and central United States.
Quedius alesi-msname
Quedius alesi-msname is a species of rove beetle in the family Staphylinidae. The species epithet "alesi-msname" appears to be a placeholder or manuscript name indicating an unpublished or provisional designation. As a member of the large genus Quedius, it belongs to a group of predatory beetles commonly found in soil and leaf litter habitats. Specific information about this particular species is not available in published literature.
Quedius bicoloris
Quedius bicoloris is a rove beetle (Staphylinidae) described in 2011 from North America. The species was originally placed in the genus Indoquedius but is now accepted in Quedius. It has been recorded from eastern Canada and the northeastern United States.
Quedius brunnipennis
Quedius brunnipennis is a rove beetle (family Staphylinidae) described by Mannerheim in 1843. It is placed in the subgenus Distichalius within the genus Quedius. The species is recorded from northern North America, with distribution spanning boreal and temperate regions of Canada and the northern United States.
Quedius caseyi
Quedius caseyi is a species of rove beetle (family Staphylinidae) described by Scheerpeltz in 1933. It is currently recognized as a synonym of Quedius (Microsaurus) divergens, a member of the subgenus Microsaurus within the large genus Quedius. The species has been recorded from multiple provinces across Canada and several western and midwestern U.S. states.
Quedius caseyi divergens
Quedius caseyi divergens is a subspecies of rove beetle in the family Staphylinidae. As a member of the genus Quedius, it belongs to a diverse group of predatory beetles commonly found in various terrestrial habitats. The subspecies designation indicates geographic or morphological differentiation from the nominate form Quedius caseyi caseyi. Specific information about this particular subspecies is limited in available sources.
Quedius cinctus
banded rove beetle
Quedius cinctus is a large rove beetle in the family Staphylinidae. It is native to Europe and parts of Asia and North Africa, with introduced populations in eastern North America. The species is characterized by its relatively large size among rove beetles and the distinctive banded pattern on its elytra. Like other members of its genus, it is a ground-dwelling predator found in forested and riparian habitats.
Quedius erythrogaster
Quedius erythrogaster is a species of rove beetle in the family Staphylinidae. The species was described by Mannerheim in 1852 and is currently accepted as valid. It belongs to the subgenus Microsaurus within the genus Quedius. Records indicate a restricted western Nearctic distribution.
Quedius fulvicollis
Quedius fulvicollis is a rove beetle (family Staphylinidae) described by Stephens in 1833. Originally placed in the genus Raphirus, it is now classified within the large genus Quedius. The species has a Holarctic distribution, occurring across Europe, Russia, Central Asia, Iceland, and North America. As a member of Staphylininae, it likely occupies ground-dwelling habitats and contributes to decomposition processes, though specific ecological studies are limited.
Quedius griffinae
Quedius griffinae is a rove beetle (family Staphylinidae) described by Hatch in 1957. The species is known from the Pacific coast of North America, with records in British Columbia, California, Oregon, and Washington. Like other members of the genus Quedius, it likely inhabits moist terrestrial environments and exhibits the characteristic short elytra and elongated body form typical of staphylinid beetles.
Quedius horni
Quedius horni is a species of rove beetle in the family Staphylinidae, described by Hatch in 1957. The species is known from the Pacific Northwest region of North America, with records from British Columbia, Oregon, and Washington. Like other members of the large genus Quedius, it belongs to a diverse group of predatory beetles commonly found in forest floor habitats and associated with decaying organic matter.
Quedius limbifer
Quedius limbifer is a rove beetle (Staphylinidae) described by Horn in 1878. The species is currently accepted as valid, though it has been treated as a synonym in some historical taxonomic works. It belongs to the subgenus Microsaurus within the large genus Quedius. Records indicate it is a western North American species with limited observational data available.
Quedius longipennis
Quedius longipennis is a rove beetle (family Staphylinidae) originally described by Mannerheim in 1846. The species is currently treated as a synonym of Quedionuchus longipennis, having been transferred to the genus Quedionuchus based on phylogenetic and morphological studies. It is distributed across northern North America, with records from Canada and the northern United States. As a member of the large rove beetle family, it likely occupies soil and litter habitats typical of the group, though specific ecological details remain poorly documented.
Quedius marginalis
Quedius marginalis is a species of rove beetle in the family Staphylinidae, first described by Mäklin in 1852. It is currently classified as an ambiguous synonym in the Catalogue of Life, placed within the subgenus Quedius (Distichalius). The species belongs to the diverse genus Quedius, one of the largest genera in Staphylinidae, whose members are predominantly predatory and commonly found in soil, leaf litter, and decaying organic matter.
Quedius mesomelinus
Quedius mesomelinus is a rove beetle (Staphylinidae) originally described from Europe in 1802. The species has been widely introduced outside its native range, with established populations in North America, South America, Australia, New Zealand, and several subantarctic islands. A subspecies, Q. m. skoraszewskyi, was described in 1961 but is treated as a synonym. The species belongs to the subgenus Microsaurus within the large genus Quedius.
Quedius molochinus
Quedius molochinus is a large, robust rove beetle in the subgenus Quedius sensu stricto. It is one of the most widespread species in its genus across the Palearctic region. The species has been introduced to eastern Canada, likely through historical ship ballast transport. Recent molecular studies have revealed unexpected cryptic diversity within this morphologically uniform species.
Quedius nanulus
Quedius nanulus is a small rove beetle described by Casey in 1915. It belongs to the large genus Quedius, one of the most diverse lineages within Staphylinidae. The species is documented from western North America, with records from the Pacific Northwest and adjacent Canadian provinces. Like other Quedius species, it likely inhabits moist ground-level microhabitats, though specific ecological details remain poorly documented.
Quedius oculeus
Quedius oculeus is a species of rove beetle (family Staphylinidae) described by Casey in 1915. It belongs to the large genus Quedius, which contains numerous species of predatory beetles found primarily in soil and leaf litter habitats. The species is known from a limited number of observations, with records restricted to the Pacific Northwest region of North America.
Quedius pediculus
Pedicular Rove Beetle
Quedius pediculus is a species of rove beetle in the family Staphylinidae, first described by Nordmann in 1837. The species bears the common name "Pedicular Rove Beetle," though the etymology of this name remains unclear from available sources. As a member of the large and diverse genus Quedius, this species is part of one of the most species-rich genera within Staphylinidae. The genus Quedius is distributed across the Northern Hemisphere, with many species occupying varied habitats from forest litter to riparian zones.
Quedius peregrinus
Quedius peregrinus is a species of rove beetle in the family Staphylinidae, originally described by Gravenhorst in 1806 under the basionym Microsaurus peregrinus. It belongs to the tribe Quediini within the subfamily Staphylininae. The species is native to North America and has been recorded across a broad geographic range spanning eastern Canada and much of the eastern and central United States.
Quedius plagiatus
Quedius plagiatus is a rove beetle species described by Mannerheim in 1843. The species is currently listed as an ambiguous synonym in taxonomic databases, with its original placement in Quedius now considered uncertain. It has been reclassified to Quedionuchus plagiatus in some treatments. As a member of Staphylinidae, it belongs to one of the largest families of beetles, though specific biological information for this species remains sparse.
Quedius prostans
Quedius prostans is a species of rove beetle in the family Staphylinidae, originally described by Horn in 1878. The species has been reclassified under the genus Iratiquedius in some taxonomic treatments, reflecting ongoing revisionary work within the Quediina subtribe. It is distributed across western North America from British Columbia to Arizona.
Quedius seriatus
Quedius seriatus is a rove beetle species described by Horn in 1878. Taxonomic treatment of this species varies: Catalogue of Life lists it as a synonym, while GBIF accepts it as valid. NCBI and iNaturalist place it in the genus Iratiquedius as I. seriatus, suggesting ongoing taxonomic revision. The species is recorded from western North America including British Columbia, California, Idaho, Oregon, and Washington.
Quedius simulator
Quedius simulator is a species of rove beetle (family Staphylinidae) described by Smetana in 1971. It belongs to the large genus Quedius, which comprises numerous species distributed primarily in the Northern Hemisphere. The species has been recorded across northern North America, with specimens documented from Alaska through Canada to the northern United States.
Quedius sublimbatus
Quedius sublimbatus is a rove beetle (Staphylinidae) with a Holarctic distribution spanning northern Eurasia and North America. The species was described by Mäklin in 1853 and is currently classified within the subgenus Raphirus of the genus Quedius. It inhabits boreal and subarctic regions across a broad longitudinal range.
Ramecia
ant-loving beetles
Ramecia is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was established by Casey in 1893 and contains at least three described species: Ramecia capitula, Ramecia crinita, and Ramecia discreta. These beetles are associated with ant colonies, though specific ecological details remain poorly documented.
Reichenbachia arthritica
ant-loving beetle
Reichenbachia arthritica is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by Brendel in 1894. The species is known from California in the western United States. As a member of the myrmecophilous genus Reichenbachia, it has been observed in association with ant colonies.
Reichenbachia congener
Reichenbachia congener is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. The species was described by Brendel in 1865. It belongs to the tribe Brachyglutini, a group of small beetles often associated with leaf litter and soil habitats. The genus Reichenbachia is part of the diverse pselaphine lineage, which contains thousands of species with specialized ecological roles in decomposition and nutrient cycling.
Reichenbachia facilis
Reichenbachia facilis is a small ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by Casey in 1884 and is distributed across eastern and central North America. As a member of the tribe Brachyglutini, it is likely associated with ant colonies, though specific ecological details remain poorly documented.
Reichenbachia howardi
Reichenbachia howardi is a species of rove beetle (Staphylinidae) in the subfamily Pselaphinae, described by O. Park in 1958. It belongs to the tribe Brachyglutini, a group of small, often cryptic beetles associated with leaf litter and soil habitats. The species is known from scattered records across the eastern and central United States.
Renardia
unmargined rove beetles
Renardia is a genus of rove beetles in the family Staphylinidae, placed in the subfamily Osoriinae. The genus is characterized by the absence of marginal ridges on the elytra, a trait that distinguishes it from related genera. Only two species are currently recognized: Renardia canadensis and Renardia nigrella. These beetles are small, elongated, and belong to a group commonly found in soil and leaf litter habitats.
Renardia nigrella
unmargined rove beetle
Renardia nigrella is a species of unmargined rove beetle in the family Staphylinidae, first described by LeConte in 1863. It belongs to the subfamily Osoriinae, a group of small, typically soil-dwelling rove beetles. The species is known from scattered records across western and eastern North America.
Rhexidius incomptus
Rhexidius incomptus is a species of ant-loving beetle in the family Staphylinidae, described by Schuster & Grigarick in 1962. It belongs to the subfamily Pselaphinae, a group of small rove beetles known for their myrmecophilous associations. The species is documented from California, USA.
Rhexius substriatus
Rhexius substriatus is a minute rove beetle (Staphylinidae: Pselaphinae) described by LeConte in 1878. It belongs to the ant-associated tribe Trogastrini, though specific myrmecophilous behaviors for this species remain undocumented. The species is recorded from the eastern and southeastern United States.
Rugilus
Rugilus is a genus of rove beetles (Staphylinidae) established by Leach in 1819. It represents one of the major genera within the subfamily Paederinae. The genus contains multiple species distributed across Europe, with some members considered rare and associated with specific forest habitats.
Rugilus angularis
Rugilus angularis is a species of rove beetle in the family Staphylinidae, subfamily Paederinae. It is a small, ground-dwelling beetle with a transcontinental distribution across North America, ranging from Canada through the United States to Mexico. The species was first described by Wilhelm Ferdinand Erichson in 1840. Like other members of the genus Rugilus, it is characterized by its compact body form and association with leaf litter and soil habitats.
Rugilus angustatus
Rugilus angustatus is a rove beetle (Staphylinidae) native to Europe and western Asia, with established introduced populations in eastern North America. It is a moderately sized species within the diverse genus Rugilus, characterized by its elongate body form typical of the family. The species has been documented across a broad Palearctic range and has been observed in North American localities since at least the mid-20th century.
Rugilus biarmatus
Rugilus biarmatus is a species of rove beetle in the family Staphylinidae. It is a small, elongate beetle with the characteristic short elytra that expose most of the abdomen typical of the family. The species was described by J.L. LeConte in 1880 and occurs in northeastern North America.
Rugilus rudis
Rugilus rudis is a species of rove beetle in the family Staphylinidae, first described by J.L. LeConte in 1863. It belongs to the subfamily Paederinae and tribe Lathrobiini. The species is native to eastern North America, with documented occurrence records from the northeastern and mid-Atlantic United States. Like other members of the genus Rugilus, it is a small, ground-dwelling beetle likely associated with leaf litter and soil habitats.
Rybaxis
ant-loving beetles
Rybaxis is a genus of minute rove beetles in the subfamily Pselaphinae, commonly referred to as ant-loving beetles. The genus contains at least 20 described species. Members of this genus are myrmecophilous, living in association with ant colonies. They were first described by Saulcy in 1876.
Rybaxis clavata
ant-loving beetle
Rybaxis clavata is a species of ant-loving beetle in the family Staphylinidae. It is found in North America, with documented occurrences in Canada and the northeastern and midwestern United States. As a member of the subfamily Pselaphinae, it is associated with ant colonies.
Scaphidium quadriguttatum
shining fungus beetle
Scaphidium quadriguttatum is a species of shining fungus beetle first described by Thomas Say in 1823. It belongs to the family Staphylinidae, the largest family of beetles, specifically within the subfamily Scaphidiinae. The species is characterized by its small size and distinctive elytral markings. It has been documented across eastern North America from Canada to the southern United States.
Scaphisoma
shining fungus beetles
Scaphisoma is the most diverse genus of Scaphidiinae, with 766 described species and subspecies distributed almost worldwide. Members are commonly known as shining fungus beetles due to their association with fungi. The genus occurs across multiple continents including Asia, Africa, Europe, and the Americas, with 38 species recorded from the Neotropical region and seven now known from Brazil. Species have been documented from polyporoid fungi and other fungal substrates.
Scaphisoma americanum
Scaphisoma americanum is a small rove beetle in the family Staphylinidae, subfamily Scaphidiinae. The species was described by Löbl in 1987 and is known from scattered records across the eastern and central United States. Members of this genus are typically associated with fungal habitats. Very little specific biological information has been published for this particular species.
Scaphisoma pusillum
Scaphisoma pusillum is a small rove beetle in the family Staphylinidae, subfamily Scaphidiinae. Members of this genus are commonly known as shining fungus beetles. The species was described by J.L. LeConte in 1860 and has been recorded across a broad geographic range in the eastern and central United States.
Scaphisomatini
Scaphisomatini is a tribe of rove beetles (family Staphylinidae, subfamily Scaphidiinae) established by Casey in 1893. Members of this tribe are characterized by their association with fungal habitats, particularly as inhabitants of sporocarps (fruiting bodies) of basidiomycete fungi. The tribe comprises numerous genera distributed across multiple biogeographic regions. These beetles represent a specialized lineage within the Scaphidiinae, having evolved to exploit microhabitats within decaying fungal material.
Sceptobius
Sceptobius is a genus of rove beetles (Staphylinidae) established by Sharp in 1883. It contains at least three described species: S. dispar, S. lativentris, and S. schmitti. The genus belongs to the tribe Sceptobiini within the subfamily Aleocharinae. Little is documented about the biology of these beetles.
Sceptobius lativentris
Sceptobius lativentris is a species of rove beetle in the family Staphylinidae, first described by Fenyes in 1909. It belongs to the tribe Sceptobiini within the subfamily Aleocharinae. The species has been recorded from North America and Central America, with specific documentation from California, USA.
Scopaeina
Scopaeina is a subtribe of rove beetles (Staphylinidae) in the tribe Lathrobiini, subfamily Paederinae. It was established by Mulsant and Rey in 1878. Members are small to medium-sized beetles with the characteristic short elytra and elongated body form typical of the family. The subtribe is distinguished by specific morphological features of the aedeagus and other genitalic structures, though detailed biological information remains limited.
Scydmaenus
ant-like stone beetles
Scydmaenus is a genus of minute rove beetles in the subfamily Scydmaeninae, commonly called ant-like stone beetles. The genus has nearly cosmopolitan distribution with species documented across Europe, Asia, Africa, Australia, and other regions. Members are small, slow-moving beetles typically found in soil and leaf litter habitats. Some species have been documented as predators of soft-bodied arthropods, though earlier literature suggested specialization on armored mites.
Sebaga
Sebaga is a genus of ant-loving beetles in the family Staphylinidae, subfamily Pselaphinae, tribe Jubini. It was established by Raffray in 1891. The genus contains a single described species, Sebaga ocampi. These beetles are myrmecophilous, meaning they live in association with ants.
Sepedophilus
rove beetles
A genus of small rove beetles in the subfamily Tachyporinae, containing approximately 30 species in North America north of Mexico. Species are distinguished by detailed examination of male and female eighth abdominal sternites and tergites, male genitalia, and other morphological characters. The genus has been subject to extensive taxonomic revision due to historical confusion with related generic names including Conurus, Conosoma, and Conosomus.
Sepedophilus brachypterus
Sepedophilus brachypterus is a rove beetle described by Campbell in 1976. It belongs to the subfamily Tachyporinae, a group often associated with fungal fruiting bodies and decaying organic matter. The species is characterized by reduced wings (brachyptery), as indicated by its specific epithet. It is known from eastern North America with a range extending from Canada through the eastern and central United States.
Sepedophilus crassus
Sepedophilus crassus is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. The species was described by Gravenhorst in 1802 and is widely distributed across eastern North America, ranging from Canada to the southern United States. As a member of the genus Sepedophilus, it belongs to a group of rove beetles commonly associated with fungal fruiting bodies and decaying organic matter.
Sepedophilus frosti
Sepedophilus frosti is a rove beetle (Staphylinidae: Tachyporinae) described in 1976 from eastern North America. It is one of thirteen new species described in a revision of the genus Sepedophilus for America north of Mexico. The species belongs to a genus of small, often overlooked beetles associated with decaying organic matter and fungal habitats.
Sepedophilus opicus
Sepedophilus opicus is a rove beetle in the family Staphylinidae, subfamily Tachyporinae. The species was originally described as Tachyporus opicus by Say in 1832. A neotype was designated for this species in a 1976 revision by Campbell, which also clarified its taxonomic status by recognizing Sepedophilus cinctulus and Sepedophilus bisignatus as valid species previously synonymized with opicus and bipustulatus respectively. The species belongs to a genus of small, agile beetles commonly associated with moist, decaying organic matter.
Sepedophilus testaceus
Sepedophilus testaceus is a small rove beetle (Staphylinidae: Tachyporinae) originally described from Europe and now established in North America as an introduced species. The species has undergone taxonomic revision, with several previously described North American species (imbricatus, limuloides, elongatus) synonymized under this name. Larvae possess specialized morphological adaptations on the posterior abdomen that facilitate prey capture. Adults are associated with decaying organic matter and fungal habitats.
Sepedophilus velocipes
Sepedophilus velocipes is a species of rove beetle (Staphylinidae: Tachyporinae) described by Casey in 1895. The species name S. virginiae Casey, 1911 was synonymized with S. velocipes in a 1976 taxonomic revision of the genus. The species is assigned to a species group based on morphological examination of Nearctic and related faunas. Diagnostic characters include male and female eighth abdominal sternites and tergites and male genitalia.
Sepedophilus wickhami
Sepedophilus wickhami is a small rove beetle in the family Staphylinidae, subfamily Tachyporinae, described by Campbell in 1976 from northeastern North America. As one of thirteen new species described in a comprehensive revision of the genus Sepedophilus in America north of Mexico, it belongs to a diverse group of rove beetles characterized by their compact body form and association with decaying organic matter. The species is part of a genus containing thirty recognized species in the region, divided into twelve species groups based on morphological characters.
Silphini
carrion beetles
Silphini is a tribe of large carrion beetles within the rove beetle family Staphylinidae, subfamily Silphinae. Members are worldwide distributed and characterized by their association with decomposing animal matter. The tribe comprises approximately 114 described species across 12 extant genera, including well-known genera such as Silpha, Thanatophilus, and Necrophila. Recent phylogenetic studies have revealed complex relationships within the tribe, with evidence that some historically recognized genera may render Silpha paraphyletic.
Silusa
Silusa is a genus of rove beetles (Staphylinidae: Aleocharinae: Homalotini) established by Erichson in 1837. The genus occurs in the Nearctic and Palearctic regions, with species documented in Europe and North America. Nearctic species have been subject to recent taxonomic revision, which expanded known distributions and clarified species boundaries through examination of external and genital morphology.
Silusa densa
Silusa densa is a rove beetle in the family Staphylinidae, subfamily Aleocharinae. Originally described from California in 1909, the species was later documented in Alberta, Canada, representing a significant range expansion and first Canadian record. As a member of the genus Silusa, it belongs to a group of small, often overlooked beetles that are part of the diverse rove beetle fauna of North America.
Silusida marginella
Silusida marginella is a small rove beetle (family Staphylinidae) in the subfamily Aleocharinae. First described by Casey in 1893 under the name Bolitochara marginella, this species is known from scattered records across eastern North America. Like other members of its tribe Homalotini, it is likely associated with decaying organic matter and fungal habitats. The genus Silusida is small and poorly documented in popular literature.
Sonoma parviceps
Sonoma parviceps is a small rove beetle in the family Staphylinidae, specifically within the ant-loving beetle subfamily Pselaphinae. The species was first described by Mäklin in 1852 under the name Euplectus parviceps. It is distributed across western North America, with records from Alaska through British Columbia and south to California. As a member of Pselaphinae, it is presumed to be associated with ant colonies, though specific ecological details remain poorly documented.
Speleobama vana
Speleobama vana is a species of rove beetle (Staphylinidae: Pselaphinae) described by Orlando Park in 1951. The genus name Speleobama, combining Greek 'speleo' (cave) and 'bama' (step/walk), indicates an association with cave habitats. The species is known from Alabama, USA, and belongs to the tribe Speleobamini within the diverse Pselaphinae subfamily, which contains many small, cryptic beetles often associated with leaf litter, soil, and subterranean environments.
Speleobamini
Speleobamini is a tribe of rove beetles in the subfamily Pselaphinae, established by Park in 1951. Members of this tribe are small, highly specialized beetles associated with subterranean and cave environments. The tribe is part of the diverse Pselaphinae radiation, which contains numerous microhabitat specialists. Speleobamini represents one of several lineages within Pselaphinae that have adapted to dark, moist habitats.
Staphylinina
Staphylinina is a subtribe of rove beetles within the tribe Staphylinini, family Staphylinidae. Members are typically medium to large-sized rove beetles with elongated bodies and relatively short elytra that leave much of the abdomen exposed. The subtribe includes genera such as Platydracus, Staphylinus, Ocypus, Agelosus, and Naddia. Several species have been documented exhibiting specialized behaviors including ant-mimicry and termitophily. The group has a cosmopolitan distribution with significant diversity in the Palaearctic and Oriental regions.
Staphylinini
Staphylinini is a tribe of large rove beetles within the family Staphylinidae. The tribe contains at least 20 genera and approximately 120 described species. Members are distributed across multiple biogeographic regions, with documented occurrences in the Palaearctic, Neotropical, and Oriental regions. Some species exhibit specialized ecological associations, including termitophily.
Stenichnus scutellaris
Stenichnus scutellaris is a small rove beetle in the family Staphylinidae, native to Europe and parts of western Asia. The species has been introduced to North America, with established populations recorded in Ontario, Canada. As a member of the genus Stenichnus, it belongs to a group of minute beetles typically found in leaf litter and other decaying organic matter.
Steninae
Water Skater Beetles
Steninae is a megadiverse subfamily of rove beetles (Staphylinidae) containing over 3,000 species worldwide, primarily in the genera *Stenus* and *Dianous*. Members are characterized by their unique prey-capture apparatus: a protrusible elongated labium with paraglossae modified into adhesive pads that eject via haemolymph pressure to capture springtails and other small arthropods. Many species exhibit remarkable water-gliding behavior using gland secretions that reduce surface tension. Adults are diurnal, visually oriented predators of moist habitats.
Stenistoderus rubripennis
Red-winged Rove Beetle
A medium-sized rove beetle (Staphylinidae) characterized by distinctive reddish-orange elytra that contrast with its darker head and pronotum. The species occurs across eastern and central North America, with records spanning from Ontario south to Texas and east to the Atlantic coast. Adults have been collected in diverse terrestrial habitats including deciduous forests, grasslands, and riparian areas. The specific epithet 'rubripennis' refers directly to the red-colored wing covers.
Stenus
rove beetles, water-gliding rove beetles
Stenus is a genus of semiaquatic rove beetles comprising approximately 3100 described species, making it one of the largest genera in the animal kingdom. These beetles are specialist predators of small arthropods, particularly Collembola. They possess distinctive adaptations including a protrusible adhesive labium for prey capture and pygidial gland secretions that enable rapid water surface locomotion via the Marangoni effect. The genus occurs worldwide across diverse habitats from aquatic margins to terrestrial leaf litter.
Stenus angustus
Stenus angustus is a rove beetle in the subfamily Steninae, known for their specialized adaptations for life near water. Members of the genus Stenus exhibit a range of water-gliding abilities, with some species capable of skimming across water surfaces using gland secretions that reduce surface tension. This species is documented from North America, with records from both Canada and the United States.
Stenus annularis
Stenus annularis is a species of rove beetle in the subfamily Steninae, described by Erichson in 1840. The genus Stenus is notable for its members' ability to glide on water surfaces using specialized gland secretions that reduce surface tension. Some species in this genus also employ a unique hunting mechanism involving the ejection of mouthparts using blood pressure to capture small invertebrate prey. Stenus annularis has a broad distribution across North America, with records from Canada and the United States.
Stenus clavicornis
Stenus clavicornis is a species of rove beetle in the family Staphylinidae, subfamily Steninae. Like other members of the genus Stenus, this species possesses the ability to glide on water surfaces using specialized gland secretions that reduce surface tension. The species has been recorded across a broad Palearctic distribution and has been introduced to parts of North America.
Stenus colon
Stenus colon is a species of rove beetle in the family Staphylinidae, commonly referred to as a water skater due to its association with moist habitats. It was described by Thomas Say in 1831 and occurs across eastern and central North America. The species belongs to the large genus Stenus, which contains over 3,000 described species worldwide, many of which are semi-aquatic or inhabit wet environments.
Stenus comma
Stenus comma is a rove beetle in the family Staphylinidae, notable for its highly specialized predatory behavior. The species employs a unique hunting mechanism using pygidial gland secretions to capture springtails (Collembola). It can eject a viscous, sticky secretion as a droplet on an extendable terminal filament to 'shoot' at prey, or apply the secretion directly during ambush. The beetle demonstrates flexible hunting strategies that adapt to different prey types and defensive capabilities. This species has a broad distribution across the Northern Hemisphere, including Europe, Asia, and North America.
Stenus erythropus
water skater
Stenus erythropus is a species of rove beetle in the subfamily Steninae, commonly referred to as a water skater. It was described by F. E. Melsheimer in 1844. The species occurs in North America across Canada and the northeastern and midwestern United States. Like other members of the genus Stenus, it possesses the ability to glide on water surfaces using specialized gland secretions that reduce surface tension.
Stenus juno
Stenus juno is a species of predatory rove beetle in the family Staphylinidae, subfamily Steninae. It was first described by Paykull in 1789. The species has a broad Holarctic distribution, occurring across Europe, northern Asia, and North America. Like other members of the genus Stenus, it possesses specialized adaptations for capturing prey.
Stenus latissimus
Stenus latissimus is a species of rove beetle in the subfamily Steninae, first described by Bernhauer in 1938. Members of the genus Stenus are known for their specialized hunting adaptations, including the ability to eject mouthparts using blood pressure to capture prey. The species has a transcontinental distribution spanning northern Asia and western North America. As with other Steninae, it is a specialist predator of small invertebrates.
Stenus latissimus hatchi
Stenus latissimus hatchi is a subspecies of rove beetle in the family Staphylinidae, subfamily Steninae. Like other members of the genus Stenus, it possesses the specialized labial apparatus that allows some species to capture prey using adhesive secretions. The subspecies occurs across a broad transcontinental range spanning northern Eurasia and western North America. As a member of the Steninae, it is associated with moist habitats near water bodies where the water-gliding behavior characteristic of many congeners may be expressed.
Stenus pinguis
Stenus pinguis is a species of rove beetle in the subfamily Steninae, first described by Casey in 1884. The species belongs to a genus renowned for its remarkable water-gliding ability, enabled by specialized gland secretions that reduce surface tension. As a member of Stenus, it likely employs the characteristic labial prey-capture mechanism using eversible mouthparts with adhesive paraglossae to capture small invertebrate prey. The species has been recorded across western North America from Canada to the United States.
Stenus plicipennis
Stenus plicipennis is a species of rove beetle in the subfamily Steninae, described by Casey in 1884. Like other members of the genus Stenus, it possesses the characteristic labial apparatus used for prey capture, though the specific ecology of this species remains poorly documented. The species has a Holarctic distribution, occurring across northern North America and eastern Russia. It represents one of numerous Stenus species adapted to moist microhabitats where predatory specialization on small invertebrates occurs.
Stenus pubescens
Stenus pubescens is a species of rove beetle in the family Staphylinidae, subfamily Steninae. It is one of numerous species in the large genus Stenus, which is characterized by distinctive adaptations including the ability to glide on water surfaces using specialized gland secretions. The species has a Holarctic distribution, occurring across much of Europe, northern Asia, and North America. Like other members of the genus, it is a predator of small invertebrates.
Stenus retrusus
Stenus retrusus is a species of rove beetle in the subfamily Steninae, family Staphylinidae. Like other members of the genus Stenus, it possesses the distinctive labial apparatus that enables specialized predatory behavior. The species was described by Casey in 1884 and is known from western North America, with records from Canada (British Columbia, Newfoundland and Labrador) and the United States (Alaska, Oregon, Washington, Wisconsin).
Stenus sculptilis
Stenus sculptilis is a species of rove beetle in the subfamily Steninae, described by Casey in 1884. It occurs in western North America, with records from British Columbia, Canada, and several western US states including California, Idaho, Nevada, Oregon, and Washington. As a member of the genus Stenus, it belongs to a group known for specialized predatory adaptations, though specific biological details for this species remain poorly documented.
Stenus stygicus
Stenus stygicus is a rove beetle in the subfamily Steninae, characterized by its ability to glide on water surfaces using specialized gland secretions. The species occurs across North America from Canada through the United States to Mexico. Like other members of its genus, it employs a distinctive prey-capture mechanism involving the ballistic projection of mouthparts. It is one of numerous Stenus species documented in the region, with records spanning diverse habitats from Arctic tundra to temperate and subtropical zones.
Stethusa
Stethusa is a genus of small rove beetles in the family Staphylinidae, subfamily Aleocharinae. The genus was established by Casey in 1910 and is currently classified within the tribe Athetini. Members of this genus are part of the diverse aleocharine fauna of North America. Very few observations of this genus exist in biodiversity databases, suggesting either genuine rarity or undercollection.
Stethusa spuriella
Stethusa spuriella is a small rove beetle (family Staphylinidae) described by Casey in 1910. It belongs to the subfamily Aleocharinae, the largest subfamily of rove beetles, which are characterized by their reduced elytra that leave much of the abdomen exposed. The species has been recorded across eastern North America from Canada to the southeastern United States.
Stictocranius puncticeps
Stictocranius puncticeps is a species of rove beetle (Staphylinidae) in the subfamily Euaesthetinae, described by John Lawrence LeConte in 1866. It belongs to the tribe Stictocraniini, a group of small rove beetles characterized by distinctive cranial and antennal features. The species has been recorded across eastern North America from Canada to the southeastern United States.
Stictolinus
Stictolinus is a genus of rove beetles in the family Staphylinidae, tribe Xantholinini. It was described by Casey in 1906. Members of this genus are small to medium-sized beetles with the characteristic abbreviated elytra of the family. The genus is part of the hyperdiverse rove beetle lineage, one of the largest families of beetles globally.
Stictolinus flavipes
Stictolinus flavipes is a rove beetle (family Staphylinidae) described by John L. LeConte in 1863. The species epithet "flavipes" (yellow legs) refers to a distinctive color characteristic. It belongs to the tribe Xantholinini within the subfamily Staphylininae. The species has been recorded across northeastern North America, with distribution spanning eastern Canada and the northeastern United States.
Stilicopsina
Stilicopsina is a subtribe of rove beetles (Staphylinidae) established by Casey in 1905, classified within the tribe Lathrobiini and subfamily Paederinae. As a subtribe, it represents a grouping of genera sharing derived morphological characteristics that distinguish them from other Lathrobiini. The subtribe is part of the megadiverse Staphylinidae family, one of the largest families of organisms. Species within Stilicopsina are small to medium-sized beetles with the characteristic reduced elytra and exposed abdominal segments typical of rove beetles. The subtribe has been documented in iNaturalist with over 100 observations, indicating some level of field detectability.
Subhaida
Subhaida is a genus of rove beetles (Staphylinidae) in the subfamily Omaliinae. It was described by Hatch in 1957 and is classified within the tribe Coryphiini and subtribe Coryphiina. The genus contains species found in western North America, particularly in the Pacific coastal region. Members of this genus are small to medium-sized beetles associated with forest floor habitats.
Subhaida ingrata
Subhaida ingrata is a species of rove beetle in the family Staphylinidae, originally described as Pseudohaida ingrata by Hatch in 1957. The species belongs to the subfamily Omaliinae and tribe Coryphiini. It has been documented from western North America, including the Pacific coast and adjacent interior regions.
Sunius
Sunius is a genus of rove beetles (Staphylinidae: Paederinae) in the Palaearctic region, currently comprising approximately 138 described species and two subspecies. The genus exhibits notable diversity in Turkey, where 25 species have been documented. Multiple species are micropterous (wingless) and appear to be locally endemic, particularly in Anatolia. Taxonomic revisions continue to expand the known fauna, with recent descriptions from Turkey, Iran, and Iraq.
Sunius debilicornis
Sunius debilicornis is a species of rove beetle (family Staphylinidae) first described by Wollaston in 1857. It is currently treated as a synonym of Hypomedon debilicornis in some taxonomic databases, reflecting ongoing nomenclatural revisions within this group. The species is known from the Azores archipelago, with records from five islands. As a rove beetle, it belongs to one of the most diverse families of Coleoptera, characterized by short elytra and exposed abdominal segments.
Sunius melanocephalus
Sunius melanocephalus is a species of rove beetle in the family Staphylinidae, subfamily Paederinae. It is native to the Palearctic region with a broad distribution across Europe, Russia, the Caucasus, and Central Asia. The species has been introduced to North America, where it is established in parts of Canada and the northeastern United States.
Sunius rufipes
Sunius rufipes is a species of rove beetle in the family Staphylinidae. The genus Sunius belongs to the subfamily Staphylininae, a large and diverse group of predatory beetles characterized by their abbreviated elytra. The specific epithet "rufipes" refers to reddish legs, a common coloration pattern in this genus. Members of Sunius are typically found in various terrestrial habitats where they function as generalist predators.
Syntomium
Syntomium is a genus of rove beetles in the family Staphylinidae, subfamily Oxytelinae. The genus was established by Curtis in 1828 and contains at least two described species: Syntomium aeneum and Syntomium caucasicum. Members of this genus are found in Europe and North America, with distribution records from Denmark, Norway, and Sweden.
Tachinomorphus
Tachinomorphus is a genus of rove beetles in the family Staphylinidae, subfamily Tachyporinae, and tribe Tachinusini. It was established by Kraatz in 1859. The genus is part of a diverse group of small to medium-sized beetles characterized by their shortened elytra and exposed abdominal segments. Species in this genus are poorly documented in public literature, with limited observational records available.
Tachinus axillaris
Tachinus axillaris is a rove beetle (Staphylinidae) described by Erichson in 1839. The species is known from scattered records across the eastern and central United States, with documented occurrences from Alabama to Texas and north to Illinois and New Jersey. As a member of the subfamily Tachyporinae, it belongs to a group of rove beetles often associated with decaying organic matter. The species has been recorded in GBIF with distribution data from 18 states, though detailed biological information remains limited.
Tachinus basalis
Tachinus basalis is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is a Holarctic species with a broad distribution across northern Eurasia and North America. Like other members of the genus Tachinus, it is likely associated with decaying organic matter and fungal habitats, though specific ecological details remain poorly documented. The species was described by Wilhelm Ferdinand Erichson in 1839.
Tachinus crotchii
Crotch's Tachinus
Tachinus crotchii is a species of rove beetle in the family Staphylinidae, described by George Henry Horn in 1877. It is native to western North America, with documented occurrences in British Columbia, California, Oregon, and Washington. Like other members of the genus Tachinus, it is associated with forest floor habitats and decaying organic matter. The species is named after George Robert Crotch, a British entomologist who collected extensively in North America.
Tachinus fumipennis
Tachinus fumipennis is a rove beetle (family Staphylinidae) found across much of North America. The species belongs to the genus Tachinus, a group of moderately sized rove beetles often associated with decaying organic matter and fungi. As with many staphylinids, it likely plays a role in nutrient cycling through its feeding habits, though specific biological details for this species remain poorly documented in published literature. The species is distinguished from congeners by subtle morphological features of the elytra and antennae.
Tachinus limbatus
Tachinus limbatus is a rove beetle in the family Staphylinidae, subfamily Tachyporinae. The species occurs across eastern and central North America, from southern Canada through the eastern United States. Like other members of Tachinus, it is associated with decaying organic matter. The species was described by Frederick Ernst Melsheimer in 1844.
Tachinus picipes
Tachinus picipes is a species of rove beetle in the family Staphylinidae, first described by Erichson in 1839. It is distributed across eastern North America, with records from Canada and the United States. As a member of the subfamily Tachyporinae, it belongs to a group of rove beetles often associated with decaying organic matter and fungal habitats. The species epithet 'picipes' refers to the pitch-black (piceous) coloration of the legs.
Tachinus rufipes
Tachinus rufipes is a rove beetle in the family Staphylinidae, characterized by reddish legs that give the species its name. Originally described by Linnaeus in 1758 from European material, it has since been introduced to North America where it is now established in eastern Canada and the northeastern United States. The species belongs to the subfamily Tachyporinae, a group known for rapid movements and association with decaying organic matter.
Tachinusini
Tachinusini is a tribe of rove beetles within the subfamily Tachyporinae. Members are small to medium-sized beetles characterized by compact bodies and relatively short elytra that leave several abdominal segments exposed. The tribe includes the genus Tachinus, which is among the more frequently observed tachyporine groups. Tachinusini species are found primarily in the Northern Hemisphere, with many species adapted to cool, moist microhabitats.
Tachyporus abdominalis
Tachyporus abdominalis is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is a small, active predatory beetle with a Holarctic distribution spanning North America, Europe, and Asia. The species is part of the diverse Tachyporus genus, which contains numerous similar-looking species that are often difficult to distinguish without close examination. Like other members of its genus, it is typically found in moist habitats where it hunts small invertebrates.
Tachyporus atriceps
Tachyporus atriceps is a small rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is native to Europe, North Africa, and western Asia, with introduced populations in eastern Canada. The species belongs to a genus of predatory beetles commonly found in vegetation and leaf litter. Specific ecological details for this species are sparse in available sources.
Tachyporus browni
Tachyporus browni is a species of rove beetle in the family Staphylinidae, described by Campbell in 1979. It belongs to the genus Tachyporus, a group of small to medium-sized predatory beetles commonly found in diverse terrestrial habitats. Very few observations of this species have been documented, with only four records in citizen science databases. Its specific biology and ecology remain poorly understood due to limited study.
Tachyporus canadensis
Tachyporus canadensis is a rove beetle in the family Staphylinidae, described by Campbell in 1979. It belongs to the large genus Tachyporus, which contains numerous species of small to medium-sized predatory beetles. The species is known from Canada and the United States.
Tachyporus elegans
Tachyporus elegans is a species of rove beetle in the family Staphylinidae, subfamily Tachyporinae. The species was described by Horn in 1877. It is a small beetle with limited published information on its specific biology. Members of the genus Tachyporus are generally associated with decaying organic matter and are common in forest floor habitats.
Tachyporus jocosus
Tachyporus jocosus is a rove beetle (Staphylinidae: Tachyporinae) native to North America, originally described by Thomas Say in 1832. The species was revised by Campbell (1979), who established neotypes and clarified its taxonomic status by synonymizing several previously described names under T. jocosus. It is placed in the subgenus Tachyporus and has a transcontinental distribution across the United States and Canada. The species exhibits typical tachyporine morphology with characteristic elytral chaetotaxy patterns and male aedeagus structure that distinguish it from congeners.
Tachyporus lecontei
Tachyporus lecontei is a small rove beetle (Staphylinidae) described by Campbell in 1979. The species occurs across northern North America from Canada through the northern United States. Like other members of the genus Tachyporus, it is likely predatory, though specific ecological details remain poorly documented. The species is distinguished from congeners primarily by subtle morphological features requiring specialist examination.
Tachyporus maculicollis
Tachyporus maculicollis is a rove beetle (Staphylinidae) described by John Lawrence LeConte in 1866. The species epithet "maculicollis" refers to spotted or marked coloration on the pronotum or neck region. It belongs to the subfamily Tachyporinae, a group characterized by relatively short elytra and flexible abdominal segments. The genus Tachyporus is widely distributed across the Holarctic region, with this species recorded from North America and parts of Eurasia.
Tachyporus pulchrus
Tachyporus pulchrus is a small rove beetle (Staphylinidae) described by Blatchley in 1910. It is native to northeastern North America, with documented occurrences in Canada and the United States. Like other members of the genus Tachyporus, it likely occupies moist ground-level habitats. The species remains poorly documented in scientific literature.
Tachyusa
Tachyusa is a genus of rove beetles in the family Staphylinidae, tribe Tachyusini. The genus was established by Erichson in 1837 and contains more than 20 described species. Members of this genus are small beetles with the characteristic short elytra of rove beetles. The genus is recorded from parts of northern Europe.
Tarphiota fucicola
Tarphiota fucicola is a small rove beetle (Staphylinidae) in the subfamily Aleocharinae. The species is restricted to coastal marine environments in the North Pacific. It was originally described as Tachyusa fucicola by Mäklin in 1852. The specific epithet 'fucicola' refers to association with Fucus, a genus of brown algae.
Tasgius
large rove beetles
Tasgius is a genus of large rove beetles in the family Staphylinidae, containing at least 20 described species. Members of this genus are notable for their relatively large size compared to most rove beetles. At least one species, T. winkleri, has been introduced to North America from Europe and has established populations across multiple U.S. states and Canadian provinces. The genus is characterized by morphological features including dilated front tarsi in males.
Tasgius ater
Large rove beetle
Tasgius ater is a large rove beetle in the family Staphylinidae, native to Europe and now introduced to North America, Australia, and New Zealand. It is among the larger species in this diverse beetle family and exhibits typical rove beetle morphology with shortened elytra exposing most of the abdomen. The species has expanded its range significantly in North America since first detected in the 1930s.
Tasgius winkleri
Tasgius winkleri is a rove beetle (family Staphylinidae) native to Europe that has become established in North America. First reported in New York in 1938, it has since spread to both coasts and westward to Illinois and Colorado. This synanthropic species thrives in human-disturbed habitats and is seldom found far from human activity. Males can be distinguished by their dilated front tarsi (expanded 'feet'). The species was previously confused with T. melanarius under the name Tasgius globulifer until taxonomic revision in 1987.
Tetartopeus
Tetartopeus is a genus of rove beetles in the family Staphylinidae, established by Czwalina in 1888. The genus contains at least four described species distributed across Europe, Japan, and North America. One species, Tetartopeus ciceronii, is endemic to Italy. The genus belongs to the subfamily Paederinae and tribe Lathrobiini.
Tetartopeus niger
Tetartopeus niger is a species of rove beetle in the family Staphylinidae, first described by J.L. LeConte in 1863. It belongs to the tribe Lathrobiini within the subfamily Paederinae. The species has a broad trans-Pacific distribution, occurring across northern North America and East Asia.
Tetartopeus tetricus
Tetartopeus tetricus is a species of rove beetle in the family Staphylinidae, described by Casey in 1905. It belongs to the genus Tetartopeus, a group within the subfamily Paederinae. The species has a broad distribution across eastern North America, with records extending from Canada through the United States to the Caribbean.
Texamaurops
Texamaurops is a genus of small rove beetles (Staphylinidae: Pselaphinae) established by Barr & Steeves in 1963. The genus contains at least one described species, Texamaurops reddelli, commonly known as the Kretschmarr Cave mold beetle. Members of this genus are associated with cave environments and belong to the diverse tribe Batrisini within the ant-loving beetle subfamily Pselaphinae.
Texamaurops reddelli
Kretschmarr Cave Mold Beetle
Texamaurops reddelli is a small, eyeless cave-dwelling beetle in the family Staphylinidae, subfamily Pselaphinae. It is known from a single cave system in Texas and is one of the most narrowly distributed cave beetles in North America. The species was described in 1963 and is considered vulnerable due to its restricted range and habitat specificity. Like other pselaphine beetles, it likely feeds on fungal hyphae and organic detritus in humid cave microhabitats.
Thecturota
Thecturota is a genus of rove beetles in the family Staphylinidae, subfamily Aleocharinae, and tribe Homalotini. The genus was established by Casey in 1893. Species are recorded from Europe and North America, with specific documentation from Denmark, Norway, and Sweden. The genus includes at least two described species: Thecturota capito Casey, 1893 (the type species) and Thecturota antillarum Pace, 1987.
Thecturota capito
Thecturota capito is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae. It was described by Casey in 1893. This small beetle belongs to the tribe Homalotini, a group characterized by compact body forms and association with decaying organic matter. The species has been recorded in limited numbers across parts of North America.
Thesiastes fossulatus
Thesiastes fossulatus is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It is a small rove beetle known from scattered records across the eastern and central United States. Members of this genus are associated with leaf litter and soil habitats. The species was described by Brendel in 1890.
Thesium cavifrons
A small rove beetle in the family Staphylinidae, subfamily Pselaphinae. The genus Thesium belongs to the tribe Trichonychini, a diverse group of minute beetles often associated with leaf litter and soil habitats. The species epithet 'cavifrons' refers to a hollowed or concave frontal region of the head.
Thinusa
Thinusa is a genus of small rove beetles (family Staphylinidae) inhabiting intertidal marine environments. The genus contains at least two described species: Thinusa fletcheri and T. maritima. Based on morphological characters including maxillary structure and abdominal tergite shape, Thinusa is classified in the tribe Athetini rather than Phytosini.
Thinusa fletcheri
Thinusa fletcheri is an intertidal rove beetle in the family Staphylinidae. It was described by Casey in 1906 and is one of several species in the genus Thinusa. The genus was revised taxonomically in 1997, with T. fletcheri redescribed and lectotype designated from Casey's syntype series.
Thoracophorini
unmargined rove beetles
Thoracophorini is a tribe of small rove beetles within the subfamily Osoriinae, characterized by the absence of pronotal margins. The tribe contains at least three genera—Clavilispinus, Nacaeus, and Thoracophorus—with approximately six described species. These beetles belong to the diverse family Staphylinidae, one of the largest beetle families.
Thoracophorus
Thoracophorus is a genus of unmargined rove beetles in the subfamily Osoriinae (Staphylinidae). The genus comprises more than 20 described species distributed across the Neotropical region and beyond. Members are primarily associated with arboreal habitats, particularly tree canopies and trunks.
Thoracophorus brevicristatus
Thoracophorus brevicristatus is an unmargined rove beetle described by Horn in 1871. The species exhibits a notably broad geographic distribution spanning multiple continents, including North America, Central America, the Caribbean, Africa, and Southern Asia. This wide range suggests either strong dispersal capabilities or cryptic species boundaries requiring further study.
Thoracophorus costalis
furrowed rove beetle
Thoracophorus costalis is a species of unmargined rove beetle in the family Staphylinidae. It occurs widely across North America and in Central America. The species has been used as a case study in collection bias research, highlighting how specimen collection patterns can affect perceived distribution and habitat modeling accuracy. Limited detailed natural history information is available for this species.
Thyreocephalus
Thyreocephalus is a genus of rove beetles (Coleoptera: Staphylinidae: Xantholinini) established by Guérin-Méneville in 1844. The genus exhibits substantial geographic diversity, with 32 recognized species in sub-Saharan Africa and nine species recorded from Mexico—the most species-rich country for this genus in the Americas. Recent taxonomic revisions have clarified species boundaries, transferred multiple species from related genera (Eulissus, Xantholinus), and established the 'puncticeps' species group for five closely related Mexican species. A new genus, Afrus, was erected to accommodate species formerly placed in Thyreocephalus.
Thyreocephalus arizonicus
Thyreocephalus arizonicus is a rove beetle (Staphylinidae: Xantholinini) described by Smetana in 1982 from Arizona, USA. It belongs to the 'puncticeps' species group, a cluster of five closely related Mexican species characterized by shared morphological features. The species was first recorded from Mexico in 2016, with specimens documented from Estado de México, Jalisco, and Morelos. As with other members of its genus, it is a small to medium-sized staphylinid beetle with the characteristic short elytra exposing most of the abdomen.
Tmesiphorus costalis
Tmesiphorus costalis is a species of ant-loving beetle in the family Staphylinidae, described by J.L. LeConte in 1849. It belongs to the subfamily Pselaphinae, a group of small rove beetles known for their myrmecophilous associations. The species has been recorded across eastern and central North America.
Toxidium
Toxidium is a genus of rove beetles in the family Staphylinidae, subfamily Scaphidiinae. The genus was established by John Lawrence LeConte in 1860. Recent taxonomic work has expanded the genus with multiple new species described in 2025, primarily from Brazil. Members of this genus belong to the tribe Scaphisomatini, a group of small beetles often associated with fungal habitats.
Trichiusa
Trichiusa is a genus of small rove beetles (Staphylinidae: Aleocharinae) comprising approximately 15 described species distributed across North America and Europe. The genus was revised taxonomically in 2015, with several species synonymized under Trichiusa pilosa. Canadian records document presence across multiple provinces and territories from Nova Scotia to Yukon Territory.
Trichiusa hirsuta
Trichiusa hirsuta is a species of rove beetle in the family Staphylinidae, subfamily Aleocharinae, described by Casey in 1906. The genus Trichiusa belongs to the tribe Athetini, a diverse group of small to minute rove beetles. Like other aleocharines, this species likely inhabits leaf litter, soil, or decaying organic matter in forested environments. The specific epithet 'hirsuta' refers to a hairy or bristly appearance, a characteristic feature of this species.
Trichonychina
Trichonychina is a subtribe of minute rove beetles within the subfamily Pselaphinae, family Staphylinidae. Members of this subtribe are characterized by their small body size and are part of the diverse Euplectitae supertribe. The subtribe was established by Reitter in 1882 and contains multiple genera of these cryptic beetles. Pselaphinae beetles are generally associated with leaf litter and soil habitats, though specific ecological data for Trichonychina as a whole is limited.
Trichonyx sulcicollis
Trichonyx sulcicollis is a small rove beetle (family Staphylinidae, subfamily Pselaphinae) originally described from Europe in 1816. It belongs to the tribe Trichonychini within the diverse ant-loving beetle group (Pselaphinae). The species has been recorded across much of Europe and has been introduced to the northeastern United States (New Hampshire, New York). As a pselaphine rove beetle, it is likely associated with leaf litter and soil habitats, though specific ecological details remain poorly documented.
Trichophya
Trichophya is a genus of rove beetles (Staphylinidae) established by Mannerheim in 1830. It constitutes the sole genus of the monotypic subfamily Trichophyinae. The genus contains at least two described species, Trichophya andrewesi and Trichophya antennalis, with records from Europe and North America.
Trichophya tarsalis
Trichophya tarsalis is a rove beetle in the family Staphylinidae, subfamily Trichophyinae. The species was originally described as Eumitocerus tarsalis by Casey in 1886. It is recorded from California and Oregon in the western United States. As a member of Staphylinidae, it shares the family's characteristic shortened elytra that expose most of the abdomen. Very few observations of this species exist in public databases.
Trichophyinae
Trichophyinae is a monotypic subfamily of rove beetles (Staphylinidae) containing only the genus Trichophya. Established by Thomson in 1858, this subfamily represents one of the most species-poor lineages within the hyperdiverse rove beetle family. The genus Trichophya contains multiple described species, though the exact number remains uncertain due to taxonomic revisions. These beetles are rarely encountered and poorly represented in collections.
Trichopsenius
Trichopsenius is a genus of termitophilous rove beetles (Staphylinidae: Aleocharinae) first described by Horn in 1877. All known species are obligate symbionts of termites in the genus Reticulitermes (Rhinotermitidae). The genus was recently recorded from China for the first time with the description of Trichopsenius huaxiensis from Guizhou Province. These beetles exhibit specialized behavioral adaptations for integration into termite colonies.
Trichopsenius depressus
Trichopsenius depressus is a species of rove beetle (family Staphylinidae) in the tribe Trichopseniini, first described by John Lawrence LeConte in 1863. The species epithet "depressus" refers to its flattened body form. It belongs to a group of beetles known to be associated with termites, though specific biological details for this species remain poorly documented in published literature. The species is recorded from the southeastern United States.
Trigonodemus fasciatus
Trigonodemus fasciatus is a species of rove beetle in the family Staphylinidae, subfamily Omaliinae. It was described by Leech in 1939. The species is known from limited distributional records in western North America, specifically British Columbia, Canada and Oregon, USA. As a member of the Omaliinae, it likely inhabits moist, decaying organic matter environments typical of this subfamily, though specific ecological details remain poorly documented.
Trigonurus crotchii
Trigonurus crotchii is a species of rove beetle in the family Staphylinidae, subfamily Trigonurinae. It is one of the few described species in the genus Trigonurus, a group characterized by distinctive morphological features that set them apart from other staphylinid lineages. The species was described by J. L. LeConte in 1874 and is known from western North America.
Trigonurus edwardsi
Trigonurus edwardsi is a species of rove beetle in the family Staphylinidae, described by Sharp in 1875. It belongs to the subfamily Trigonurinae, a small and distinctive group within the Staphylinidae. The species is known from western North America, with records from California and possibly Oregon. Like other members of its genus, it is associated with decaying wood and fungal habitats.
Trimiina
Trimiina is a subtribe of rove beetles (Staphylinidae: Pselaphinae) established by Brendel & Wickham in 1890. Members of this subtribe belong to the tribe Trichonychini within the diverse subfamily Pselaphinae, a group characterized by small body size and often complex morphology associated with life in leaf litter and soil habitats. The subtribe is rarely referenced in general literature and is primarily documented in taxonomic catalogs.
Trimioplectus obsoletus
Trimioplectus obsoletus is a species of ant-loving beetle in the family Staphylinidae, first described by Emil Brendel in 1890. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles commonly associated with ants and termites. The species occurs in North America, with records from Canada and the eastern and midwestern United States.
Trimium
ant-loving beetles
Trimium is a genus of myrmecophilous rove beetles in the subfamily Pselaphinae, containing over 20 described species. These small beetles are specialized associates of ant colonies, living as inquilines within ant nests. The genus is placed in the tribe Trichonychini and is distributed across parts of northern Europe.
Trogastrina
Trogastrina is a subtribe of minute rove beetles within the family Staphylinidae, subfamily Pselaphinae. These beetles belong to the tribe Trogastrini and are characterized by their small body size and association with leaf litter and soil habitats. The subtribe was established by Brendel and Wickham in 1890. Members of this group are part of the diverse Euplectitae clade, one of the most species-rich lineages within Pselaphinae.
Trogastrini
Trogastrini is a tribe of rove beetles within the subfamily Pselaphinae, first described by Brendel and Wickham in 1890. These beetles are part of the hyperdiverse family Staphylinidae, one of the largest families of organisms. Members of this tribe are characterized by their small body size and specialized morphological adaptations common to Pselaphinae. The tribe is relatively poorly documented in public sources compared to other Pselaphine groups.
Tychobythinus
Tychobythinus is a genus of small rove beetles in the subfamily Pselaphinae (Staphylinidae). The genus is widely distributed across the Palearctic region, including North Africa, southern and Central Europe, the Caucasus, Japan, far eastern Russia, and southeastern China. Several species exhibit troglobitic adaptations, including reduced pigmentation, microphthalmia, winglessness, and elongated appendages. The genus contains at least 44 species and subspecies in Italy alone, with ongoing taxonomic revisions clarifying species boundaries and synonymies.
Tychus
Tychus is a genus of rove beetles (Staphylinidae: Pselaphinae) established by Leach in 1817. Species occur in Europe, North America, and North Africa. The genus belongs to the tribe Tychini within the diverse Pselaphinae subfamily, which are characterized by small body size and often specialized ecological associations. Taxonomic studies have focused on species group delineation, particularly the T. algericus group in North Africa.
Tympanophorus puncticollis
Tympanophorus puncticollis is a species of rove beetle in the family Staphylinidae, originally described by Erichson in 1840 under the basionym Euryporus puncticollis. It belongs to the subfamily Staphylininae and tribe Staphylinini. The species has a broad distribution across North America, with records from Canada and the United States extending into Mexico.
Tyrina
Tyrina is a subtribe of rove beetles (family Staphylinidae) within the subfamily Pselaphinae. It was established by Reitter in 1882 and contains approximately 35 described genera distributed primarily across tropical and subtropical regions, with notable diversity in Asia, Australia, and the Pacific. Members of this subtribe are small, often myrmecophilous beetles that inhabit leaf litter and soil microhabitats. The subtribe is part of the tribe Tyrini, one of the major lineages of the hyperdiverse ant-loving beetle subfamily Pselaphinae.
Tyrini
Tyrini is a tribe of rove beetles within the subfamily Pselaphinae, established by Reitter in 1882. The tribe comprises four subtribes: Centrophthalmina, Janusculina, Somatipionina, and Tyrina. Members of this tribe are small, compact beetles adapted to cryptic habitats such as leaf litter and soil.
Tyrus
Tyrus is a genus of ant-loving beetles in the family Staphylinidae, first described by Aubé in 1833. These small rove beetles are myrmecophiles, living in association with ant colonies. The genus is primarily recorded from northern Europe, with documented occurrences in Denmark, Norway, and Sweden.
Tyrus semiruber
ant-loving beetle
Tyrus semiruber is a small rove beetle in the subfamily Pselaphinae, commonly known as ant-loving beetles. The species was described by Thomas Lincoln Casey in 1897. It is distributed across eastern and central North America, with records from Canada and the United States.
Unamis
Unamis is a genus of rove beetles in the family Staphylinidae, subfamily Omaliinae, containing approximately seven described species. The genus is native to western North America, with species distributed across British Columbia, California, Idaho, Oregon, and Washington. It was established by Casey in 1893.
Upoluna
Upoluna is a genus of minute rove beetles in the subfamily Pselaphinae, family Staphylinidae. Members of this genus are placed in the tribe Tyrini and subtribe Somatipionina. The genus was established by Schaufuss in 1886. Like other pselaphines, species in this genus are small, compact beetles associated with leaf litter and soil habitats.
Vacusus
Vacusus is a genus of rove beetles (family Staphylinidae) within the subfamily Pseudopsinae. The genus contains multiple described species distributed across various regions. Members of this genus are small, elongate beetles characteristic of the Pseudopsinae, a relatively small subfamily of Staphylinidae. Information regarding specific biology and ecology of Vacusus species remains limited in published literature.
Valda
Valda is a genus of ant-loving beetles in the family Staphylinidae, subfamily Pselaphinae. These beetles are myrmecophilous, meaning they live in association with ants. The genus was established by Casey in 1893 and belongs to the tribe Valdini, which is named after it. Members are small, typically cryptic beetles found in leaf litter and soil habitats.
Vatesini
Vatesini is a tribe of rove beetles (Staphylinidae) established by Seevers in 1958, classified within the subfamily Tachyporinae. The tribe comprises ten extant and extinct genera, including Cilea, Coproporus, Vatesus, and the fossil genus †Procileoporus. Members are small to medium-sized beetles with the characteristic abbreviated elytra of Staphylinidae. The tribe has accumulated over 1,600 observations on iNaturalist, indicating moderate documentation of its species in the field.
Veraphis
Veraphis is a genus of minute rove beetles in the subfamily Scydmaeninae, family Staphylinidae. The genus is rarely collected and was historically considered to have its greatest diversity in Northern Europe, but recent taxonomic work has revealed Japan to be the center of diversity with at least fourteen species. Additional species occur in China, Korea, and other parts of the East Palaearctic region. The grammatical gender of Veraphis is feminine.
Vicelva vandykei
Vicelva vandykei is a small rove beetle (Staphylinidae) described by Hatch in 1957. The species is known from limited specimens and observations across a broad circumpolar distribution spanning northwestern North America and the Russian Far East. Records indicate presence in British Columbia, Yukon, Alaska, Washington, Oregon, and the Magadan area of Russia. As a member of the subfamily Phloeocharinae, it is associated with forest floor habitats and decaying organic matter.
Xantholininae
Xantholininae is a subfamily of rove beetles (Staphylinidae) comprising approximately 28 genera and over 100 species in North America alone, with additional diversity in the Palearctic and other regions. The group has been subject to extensive taxonomic revision due to historical confusion in genus-level classification, with multiple synonymizations required to stabilize nomenclature. Members are characterized by specific morphological features that distinguish them from other staphylinid subfamilies, though detailed biological studies remain limited compared to taxonomic treatments.
Xantholinini
Xantholinini is a tribe of rove beetles (Coleoptera: Staphylinidae: Staphylininae) comprising approximately 141 genera with a cosmopolitan distribution across all zoogeographical regions. Members are small to medium-sized (2–20 mm), slender, short-winged beetles with elongated bodies and relatively short legs adapted for moving through narrow spaces. The tribe has been the subject of extensive taxonomic revision, particularly in the Eastern Mediterranean, Turkey, China, and the Neotropics, with numerous new species described in recent decades.
Xantholinus linearis
Linear Rove Beetle
Xantholinus linearis is a rove beetle in the family Staphylinidae, characterized by an elongated, slender body form typical of the genus. The species was described by Blatchley in 1910. As a member of the tribe Xantholinini, it belongs to a group of rove beetles often associated with decaying organic matter and soil habitats. The specific epithet 'linearis' refers to the linear, slender body shape.
Xantholinus longiventris
Long-bellied Rove Beetle
Xantholinus longiventris is a species of rove beetle in the family Staphylinidae, first described by Heer in 1839. It is known from the Azores archipelago, with records from five islands: Faial, Flores, Graciosa, Pico, and São Jorge. The species is recognized by iNaturalist as the Long-bellied Rove Beetle and has accumulated over 200 observations, suggesting it is relatively well-documented for an island endemic. Its taxonomic status shows some discrepancy between sources, with Catalogue of Life listing it as a synonym while GBIF treats it as accepted.
Xanthopygina
Xanthopygina is a subtribe of rove beetles (Staphylinidae) containing approximately 334 species distributed across the Neotropical region from the southern United States to Argentina. Species within this subtribe are frequently encountered in tropical forests and can be abundant in various microhabitats. The subtribe has been the subject of extensive taxonomic revision due to historically poorly defined genera, particularly the genus Gastrisus, which accumulated morphologically disparate species without clear diagnostic boundaries. Recent phylogenomic studies have resolved relationships within Xanthopygina, identifying nine major lineages and clarifying generic limits.
Xanthopygus
Xanthopygus is a genus of rove beetles (Staphylinidae: Staphylininae) established by Kraatz in 1857. The genus belongs to the subtribe Xanthopygina and is distributed across Mexico, Central America, the West Indies, and South America. A 2022 taxonomic revision by Chatzimanolis updated distributional records, resolved nomenclatural issues including synonymies and type designations, and provided an illustrated identification key for all species. The genus is characterized by distinctive morphological features typical of the Xanthopygina, though specific diagnostic traits vary among species.
Xanthopygus xanthopygus
Xanthopygus xanthopygus is a species of rove beetle (Staphylinidae) in the tribe Xanthopygina. Originally described as Staphylinus xanthopygus by Nordmann in 1837, the species has undergone taxonomic revision with a lectotype designated in 2021. The species occurs in the Americas from the southwestern United States through Central America to South America. As a member of the large rove beetle family, it belongs to a group characterized by shortened elytra and flexible abdomens.
Xenicopoda
Xenicopoda is a genus of rove beetles (family Staphylinidae) in the tribe Anthophagini. It is monotypic, containing only the single species Xenicopoda helenae, which is known from California. The genus was established by Moore and Legner in 1971.
Xenicopoda helenae
Xenicopoda helenae is a species of rove beetle (Staphylinidae) described from California in 1971. It belongs to the subfamily Omaliinae, a group of rove beetles often associated with decaying plant matter and fungal habitats. The species is known from limited collection records in California.
Xestolinus abdominalis
Xestolinus abdominalis is a rove beetle species in the family Staphylinidae, described by Thomas L. Casey in 1906. It belongs to the tribe Xantholinini within the subfamily Staphylininae. The species has a broad transcontinental distribution across northern North America, with records spanning from Alaska and western Canada to the northeastern United States and south to Arizona and Colorado. As with most rove beetles, it is likely associated with soil and decaying organic matter habitats, though specific ecological details remain poorly documented.
Zyras obliquus
Zyras obliquus is a species of rove beetle in the family Staphylinidae. It measures 4.0–6.5 mm in length and is distributed transcontinentally across North America from the northern United States to the southern half of Canada. Adults have been collected in both coniferous and deciduous forests. The species has been confused with the closely related Palearctic species Zyras haworthi.