Pselaphinae
Guides
Abdiunguis
Abdiunguis is a genus of minute rove beetles (family Staphylinidae, subfamily Pselaphinae) established in 1962. As a member of the tribe Trichonychini, it belongs to a diverse group of small beetles that inhabit leaf litter and soil microhabitats. The genus contains species with reduced elytra and compact body forms characteristic of pselaphine beetles.
Actiastes
Actiastes is a genus of ant-loving beetles in the family Staphylinidae, established by Casey in 1897. The genus contains nine described species distributed across North America. Members belong to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies.
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.
Actium
Actium is a genus of rove beetles (Staphylinidae) in the subfamily Pselaphinae, first described by Casey in 1886. It belongs to the tribe Trichonychini, a group of small beetles often associated with leaf litter and soil habitats. The genus is part of the diverse Pselaphinae, which are characterized by reduced wing venation and compact body forms adapted for life in confined spaces.
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.
Adranes dietzii
Adranes dietzii is a minute rove beetle in the subfamily Pselaphinae, described by Schaeffer in 1906. The species belongs to the tribe Clavigerini, a group known for myrmecophilous (ant-associated) habits. It has been recorded from California, USA. Like other members of its tribe, it likely exhibits specialized morphological adaptations for life with ants.
Adranes lecontei
LeConte's Ant-loving Rove Beetle
Adranes lecontei is a species of ant-loving rove beetle in the family Staphylinidae. It is an obligate myrmecophile, meaning it lives in association with ants. The species is known from North America, with records from Canada and the United States.
Adranes taylori
Taylor's Ant-loving Rove Beetle
Adranes taylori is a species of myrmecophilous rove beetle in the tribe Clavigerini, described by Wickham in 1901. Members of this genus are obligate associates of ants, possessing specialized morphological adaptations for life within ant colonies. The species occurs in western North America from British Columbia to California.
Allotrimium
Allotrimium is a genus of minute rove beetles in the family Staphylinidae, subfamily Pselaphinae, described by Orlando Park in 1943. It belongs to the tribe Trichonychini within the diverse and speciose Pselaphinae, a group characterized by reduced elytra and complex antennal structures. Members of this genus are small, cryptic beetles associated with leaf litter and soil habitats. No observations or species-level documentation are currently available in major biodiversity databases.
Anchylarthron caviceps
Anchylarthron caviceps is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by Thomas Lincoln Casey Jr. in 1897. The species belongs to the tribe Brachyglutini within the supertribe Goniaceritae. It is known from the southeastern United States.
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 nantahalae
Arianops nantahalae is a small rove beetle in the subfamily Pselaphinae, described by Barr in 1974. The species is endemic to the southern Appalachian Mountains of the eastern United States. It belongs to a genus of minute beetles adapted to life in forest leaf litter and soil microhabitats.
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.
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 bulbifer
Arthmius bulbifer is a species of ant-loving beetle in the rove beetle family Staphylinidae, described by Thomas L. Casey in 1893. The species belongs to the subfamily Pselaphinae, a group of small beetles commonly associated with ant colonies. It is known from scattered records across the south-central United States.
Arthmius globicollis
ant-loving beetle
Arthmius globicollis is a species of ant-loving beetle in the family Staphylinidae. It is known from North America, with records from the eastern and central United States. The species belongs to the subfamily Pselaphinae, a diverse group of small rove beetles frequently associated with ant colonies.
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.
Atinus
ant-loving beetles
Atinus is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was established by Horn in 1868 and contains at least two described species: Atinus brevicornis and Atinus monilicornis. These beetles are small, compact rove beetles associated with ant colonies.
Batriasymmodes
Batriasymmodes is a genus of minute rove beetles in the family Staphylinidae, subfamily Pselaphinae, described by Orlando Park in 1951. Members of this genus belong to the tribe Batrisini, a diverse group of small beetles often associated with leaf litter and soil habitats. The genus is part of the hyperdiverse Pselaphinae, one of the most species-rich subfamilies of Staphylinidae, though individual species remain poorly documented in public databases. Observations of this genus are extremely sparse, with only five records in iNaturalist as of the available data.
Batrisodes
gargoyle beetle, ant-loving beetle
Batrisodes is a genus of myrmecophilous rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus contains at least 80 described species distributed across North America, Europe, and Asia. Males of many species exhibit highly modified facial structures with horns, spines, shelves, or cavities, earning the group the informal name 'gargoyle beetles.' Species are primarily associated with ants, though specific ecological relationships remain poorly documented for most taxa.
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 beyeri
ant-loving beetle
Batrisodes beyeri is a species of ant-loving beetle in the family Staphylinidae. It was described by Schaeffer in 1906 and is found in North America. The species belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies.
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 riparius
Batrisodes riparius is a small rove beetle in the subfamily Pselaphinae, commonly known as short-winged mould beetles. It was described by Thomas Say in 1824, making it one of the earlier described species in the genus. Males of this species, like other Batrisodes, possess distinctive facial modifications including horns, spines, or other projections that give the genus its informal nickname "gargoyle beetles." The species occurs across eastern North America in leaf litter habitats.
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 schaumii
Gargoyle beetle
Batrisodes schaumii is a species of rove beetle in the subfamily Pselaphinae, commonly referred to as a "gargoyle beetle" due to the distinctive facial ornamentation of males. The species was described by Aubé in 1844 and occurs across a broad range in the eastern and central United States. Like other members of its genus, it is presumed to inhabit leaf litter and prey on small arthropods such as mites and collembola.
Batrisodes striatus
Batrisodes striatus is a small rove beetle in the family Staphylinidae, subfamily Pselaphinae. It belongs to a diverse genus of minute beetles that inhabit leaf litter and soil environments. The species was originally described by John Lawrence LeConte in 1849 and is distributed across eastern and central North America.
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.
Bibloplectus
ant-loving beetles
Bibloplectus is a genus of minute rove beetles (Staphylinidae: Pselaphinae) commonly known as ant-loving beetles. The genus contains at least 10 described species distributed in North America and Europe. Seven new species were recently described from the eastern United States based on specimens from museum collections. Members of this genus are typically associated with ants and are characterized by their small size and reduced morphology.
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.
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 abdominalis
ant-loving beetle
Brachygluta abdominalis is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It is found in North America, with records from Canada and the eastern United States. This species inhabits coastal ecosystems, specifically occurring in leaf litter of salt marshes, beaches, and other shoreline environments. The species has a problematic taxonomic history due to a missing type specimen, and its identity has been discussed but not fully resolved in recent revisions.
Brachygluta terebrata
Brachygluta terebrata is a small rove beetle in the subfamily Pselaphinae, commonly referred to as ant-loving beetles. The species was described by Casey in 1893 and occurs in northeastern and midwestern North America. It was previously confused with B. intricata, which is now treated as a junior synonym. Like other members of its genus, it is likely associated with ant colonies, though specific ecological details remain poorly documented.
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.
Brachyglutini
Brachyglutini is a tribe of rove beetles in the subfamily Pselaphinae (family Staphylinidae). These beetles are minute, typically measuring 1–2 mm in length, and exhibit the characteristic compact body form and reduced elytra typical of pselaphine rove beetles. The tribe was established by Raffray in 1904 and contains numerous genera distributed across multiple continents. Members of this tribe are primarily found in forest litter and soil habitats where they function as micro-predators or scavengers.
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-acceptedEukaryotaMetazoaHexapodaInsectaArthropodaAnimaliabeetleinsectarthropodanimalCedius
Cedius is a genus of ant-loving beetles in the family Staphylinidae, established by John Lawrence LeConte in 1849. The genus contains at least three described species: C. cruralis, C. spinosus, and C. ziegleri. Members belong to the subfamily Pselaphinae, a group of small rove beetles frequently associated with ant colonies. The genus is rarely encountered, with minimal observational records available.
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.
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.
Conoplectus susae
Conoplectus susae is a species of ant-loving beetle in the family Staphylinidae, first described by Carlton in 1983. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies. The species is known from limited records in the south-central United States.
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.
Ctenisodes abruptus
Ctenisodes abruptus is a species of rove beetle in the subfamily Pselaphinae, a group of small, often ant-associated beetles. The species was described by Casey in 1893. It belongs to the tribe Ctenistini, characterized by specialized morphological adaptations. Records indicate presence in Arizona, USA.
Ctenisodes piceus
ant-loving beetle
Ctenisodes piceus is a species of ant-loving beetle in the family Staphylinidae, first described by LeConte in 1849. It belongs to the subfamily Pselaphinae, a group of small rove beetles commonly associated with ant colonies. The species occurs in northeastern North America, with records from Canada and the eastern United States.
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.
Cylindrarctus
ant-loving beetles
Cylindrarctus is a genus of rove beetles in the subfamily Pselaphinae, commonly known as ant-loving beetles. The genus contains approximately 10 described species, most of which were described by American entomologist Donald S. Chandler in 1988. Members of this genus are small, specialized beetles associated with ant colonies. The genus was established by Schaufuss in 1887.
Cylindrarctus crinifer
Cylindrarctus crinifer is a small ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. The species is known from scattered records across the eastern and central United States. Like other members of the tribe Tychini, it is associated with ant colonies. Published information on its biology remains limited.
Dalmosanus
Dalmosanus is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae. The genus was established by Park in 1952 and contains at least three described species distributed in North America. These beetles belong to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with social insects.
Dalmosanus steevesi
Dalmosanus steevesi is a species of ant-loving beetle (myrmecophile) in the family Staphylinidae, subfamily Pselaphinae. It is a small rove beetle known to inhabit ant colonies. The species was described in 1968 from North American specimens.
Dalmosella
ant-loving beetles
Dalmosella is a genus of ant-loving beetles (rove beetles) in the family Staphylinidae, established by Casey in 1897. It contains a single described species, D. tenuis. As a member of the subfamily Pselaphinae, it belongs to a group of small beetles that are ecologically associated with ants.
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-AmericaDecarthron 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.
Decarthron stigmosum
ant-loving beetle
Decarthron stigmosum is a species of rove beetle in the subfamily Pselaphinae, commonly referred to as ant-loving beetles. The species was described by Brendel in 1865. It is distributed across eastern North America, with records from Canada and multiple U.S. states. Like other Pselaphinae, it is associated with ant colonies, though specific ecological details remain poorly documented.
Euboarhexius
Euboarhexius is a genus of small rove beetles in the subfamily Pselaphinae, commonly known as ant-loving beetles. The genus was established in 1966 by Grigarick and Schuster and contains at least four described species. Members of this genus are myrmecophilous, living in association with ant colonies. The genus is classified within the tribe Trogastrini.
Euboarhexius perscitus
Euboarhexius perscitus is a species of ant-loving beetle in the family Staphylinidae, subfamily Pselaphinae. It was originally described as Rhexidius perscitus by Fletcher in 1932 and later transferred to the genus Euboarhexius. The species is known from the southeastern United States.
Euplectitae
Euplectitae is a supertribe of minute rove beetles (Staphylinidae) classified within the ant-associated subfamily Pselaphinae. The group contains at least 20 genera and approximately 30 described species. Members of this supertribe are characterized by their small body size and morphological adaptations associated with myrmecophily—living in close association with ant colonies.
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.
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.
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.
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.
Hamotus
Hamotus is a genus of ant-loving beetles (myrmecophilous rove beetles) in the family Staphylinidae, subfamily Pselaphinae. The genus contains nine described species distributed primarily in North America. These beetles are associated with ant colonies, though specific ecological relationships remain poorly documented for most species. The genus was established by Aubé in 1844.
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.
Jubini
Jubini is a tribe of minute rove beetles within the subfamily Pselaphinae (Staphylinidae), first described by Raffray in 1898. Members of this tribe are Neotropical in distribution and are among the most abundant beetles in rainforest leaf litter. The tribe contains genera such as Morphogenia, which exhibits extreme sexual dimorphism. Despite their ecological abundance, the biology and ecological roles of Jubini remain poorly studied due to limited taxonomic expertise.
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.
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.
Lucifotychus testaceus
Lucifotychus testaceus is a minute rove beetle (family Staphylinidae) in the subfamily Pselaphinae, commonly referred to as an ant-loving beetle. It is a myrmecophilous species associated with ant colonies. The species is documented from eastern and midwestern North America, with records spanning Canada and the United States.
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.
Machaerodes carinatus
Machaerodes carinatus is a small rove beetle in the subfamily Pselaphinae, tribe Bythinini. Originally described as Bythinus carinatus by Brendel in 1865, it was later transferred to Machaerodes. The species is known from scattered records in eastern North America, primarily in the Appalachian region and Great Lakes area.
Megarafonus
ant-loving beetles
Megarafonus is a genus of ant-loving beetles in the family Staphylinidae, established by Casey in 1897. The genus contains approximately seven described species, distributed primarily in North America. These small rove beetles are myrmecophilous, meaning they live in association with ants. The genus has been subject to taxonomic uncertainty, with ongoing research seeking to clarify its phylogenetic position within the Pselaphinae subfamily.
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.
Metopiasini
Metopiasini is a tribe of minute rove beetles (Staphylinidae: Pselaphinae) comprising nine genera, eight of which are restricted to the Neotropical region. The tribe is suspected to be myrmecophilous, though direct ant associations remain unconfirmed. Members exhibit morphological traits consistent with subterranean or litter-dwelling habits, including reduced eyes and elongated appendages. The genus Metopiellus, distributed from Colombia to Argentina, was recently recorded from Ecuador for the first time with two new species described from Amazonian and montane cloud forest habitats.
Mipseltyrus
ant-loving beetles
Mipseltyrus is a genus of minute rove beetles in the family Staphylinidae, subfamily Pselaphinae, commonly referred to as ant-loving beetles. The genus was established by Orlando Park in 1953 and currently includes four described species. Members of this genus are myrmecophilous, meaning they live in association with ant colonies. These beetles are small, compact, and morphologically specialized for life in soil and leaf litter environments.
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.
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.
Nisaxis
Nisaxis is a genus of ant-loving beetles (myrmecophiles) in the family Staphylinidae, established by Casey in 1886. The genus comprises at least four described species distributed across North America. As members of the subfamily Pselaphinae, these beetles are minute, compact rove beetles associated with ant colonies. The genus is classified within the tribe Brachyglutini.
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.
Oropodes
Oropodes is a genus of minute rove beetles in the subfamily Pselaphinae, characterized by reduced elytra and compact body form typical of the tribe Trichonychini. Members are among the smallest staphylinid beetles, with most species measuring under 2 mm. The genus was established by Casey in 1893 and is currently placed within the subtribe Trichonychina. These beetles inhabit forest litter and soil microhabitats where they function as microbivores or predators on small arthropods.
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.
Oropus
Oropus is a genus of rove beetles (family Staphylinidae) in the subfamily Pselaphinae, tribe Trogastrini. It was described by Casey in 1886. Members of this genus are small, myrmecophilous beetles typically associated with ant colonies. The genus is part of the diverse Pselaphinae radiation, which contains thousands of species specialized for life in leaf litter, soil, and ant nests.
Oropus cavicauda
ant-loving beetle
Oropus cavicauda is a species of ant-loving beetle in the family Staphylinidae, first described by Casey in 1893. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles frequently associated with ant colonies. The species has been documented in the western United States, specifically California and Oregon. Available information on this species remains limited.
Prespelea
Prespelea is a genus of minute rove beetles in the family Staphylinidae, subfamily Pselaphinae. These beetles are troglobitic, meaning they are specialized for life in cave environments. The genus was established by O. Park in 1953 and is classified within the tribe Speleobamini. Members of this genus are eyeless and exhibit morphological adaptations to subterranean habitats.
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.
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 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
Pseudactium is a genus of ant-loving beetles in the rove beetle family Staphylinidae. The genus was established by Casey in 1908 and contains approximately 12 described species. Members belong to the subfamily Pselaphinae, a diverse group of small beetles often associated with ants and termites.
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.
Pycnoplectus
Pycnoplectus is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae. The genus comprises approximately 11 described species, first established by Casey in 1897. These beetles are classified within the subfamily Pselaphinae, a diverse group of small, often cryptic beetles frequently associated with ant colonies. Most species were described in the late 19th and mid-20th centuries, with several originally placed in other genera before transfer to Pycnoplectus.
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.
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.
Ramecia crinita
ant-loving beetle
Ramecia crinita is a species of ant-loving beetle in the rove beetle family Staphylinidae. The species was described by Brendel in 1865 and occurs in eastern North America. Like other members of the subfamily Pselaphinae, it is associated with ant colonies.
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.
Reichenbachia spatulifer
ant-loving beetle
Reichenbachia spatulifer is a minute rove beetle in the subfamily Pselaphinae, commonly known as ant-loving beetles. It is one of approximately 70 species in the genus Reichenbachia, a group characterized by their myrmecophilous associations. The species was described by Thomas Lincoln Casey Jr. in 1897 and is broadly distributed across northern 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.
Rhinoscepsis
Rhinoscepsis is a genus of minute rove beetles in the subfamily Pselaphinae, established by John Lawrence LeConte in 1878. Members of this genus belong to the tribe Metopiasini within the diverse ant-loving beetle group. The genus name derives from Greek roots suggesting a 'snout-like' or 'nose-bearing' appearance, likely referring to distinctive cephalic structures. As with many Pselaphinae, these beetles are small, cryptic, and poorly documented in public sources.
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.
Scalenarthrus
Scalenarthrus is a genus of rove beetles in the family Staphylinidae, subfamily Pselaphinae. First described by John Lawrence LeConte in 1880, it belongs to the tribe Brachyglutini. Members of this genus are small, cryptic beetles characteristic of the ant-loving beetle group (Pselaphinae), which are primarily found in soil and leaf litter habitats.
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.
Sebaga ocampi
Sebaga ocampi is a small rove beetle (family Staphylinidae) described by Orlando Park in 1945. It belongs to the subfamily Pselaphinae, a diverse group of minute beetles often associated with leaf litter and soil habitats. The species is known from limited records in the south-central United States and Mexico.
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.
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.
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.
Tmesiphorus
Tmesiphorus is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae. The genus was established by LeConte in 1849 and currently contains approximately ten described species distributed across North America and Asia. Members of this genus are classified within the subfamily Pselaphinae, a diverse group of small beetles often associated with social insects.
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.
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
ant-loving beetles
Trichonyx is a genus of minute ant-loving beetles in the family Staphylinidae, subfamily Pselaphinae. The genus contains at least two described species: Trichonyx antennatus (Raffray, 1877) and Trichonyx sulcicollis (Reichenbach, 1816). Members of this genus are myrmecophilous, living in association with ants. These beetles are small, compact, and exhibit reduced wing structures typical of the Pselaphinae.
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.
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.
Trimiomelba
Trimiomelba is a genus of myrmecophilous (ant-loving) rove beetles in the family Staphylinidae, subfamily Pselaphinae. The genus was established by Casey in 1897 and contains a single described species, T. dubia. These beetles belong to the tribe Trichonychini, a diverse group of small beetles often associated with ant colonies.
Trimioplectus
ant-loving beetles
Trimioplectus is a genus of minute ant-loving beetles in the rove beetle family Staphylinidae, specifically within the subfamily Pselaphinae. The genus was established by Brendel in 1890 and contains at least three described species distributed across North America and Australia. These beetles are myrmecophilous, meaning they live in association with ants. Members of this genus are rarely collected and poorly known biologically.
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.
Trimium brevicorne
Trimium brevicorne is a small rove beetle in the subfamily Pselaphinae, commonly known as ant-loving beetles. The species occurs across Europe, Northern Asia (excluding China), and has been introduced to North America. It belongs to a group of beetles that are typically found in association with ant colonies.
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.
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.
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 corticinus
Bark Ant-loving Rove Beetle
Tyrus corticinus is a small rove beetle in the subfamily Pselaphinae, commonly known as ant-loving beetles. The species inhabits bark and decaying wood in western North America. It is one of few documented members of its genus in the region. Records remain sparse, with limited observational data available.
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.
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.
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.
Valda frontalis
Valda frontalis is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It was described by Thomas L. Casey in 1893 and belongs to the tribe Valdini. The species is known from the western United States, specifically California and Washington. As a member of the Pselaphinae, it is part of a diverse group of small beetles often associated with leaf litter and soil habitats.