Carabidae
Guides
Anisodactylus rusticus
Rustic Harp Ground Beetle
Anisodactylus rusticus is a species of ground beetle in the family Carabidae, commonly known as the Rustic Harp Ground Beetle. It is native to North America, with documented occurrences in Canada and the United States. The species belongs to the genus Anisodactylus, a group of ground beetles often associated with open, disturbed habitats.
Anisodactylus sanctaecrucis
Tawny-backed Harp Ground Beetle
Anisodactylus sanctaecrucis is a ground beetle in the family Carabidae. It has been documented in cropland habitats across North America. The species was originally described by Fabricius in 1798 as Carabus sanctaecrucis.
Anisodactylus similis
A species of ground beetle in the family Carabidae. It is found in North America.
Anisodactylus texanus
Texas Prick
Anisodactylus texanus is a ground beetle in the family Carabidae, described by Schaeffer in 1910. The species is endemic to Texas and surrounding regions. It belongs to a genus of small to medium-sized carabid beetles commonly found in open habitats. The common name "Texas Prick" has been proposed humorously based on a literal interpretation of the scientific name, though this is not formally accepted.
Apenes
Apenes is a genus of ground beetles in the family Carabidae, established by LeConte in 1851. The genus comprises at least 80 described species, with a distribution centered in southern and neotropical regions of the New World. Only two species extend into northern regions. Members belong to the tribe Lebiini within the subfamily Lebiinae.
Apenes angustata
Apenes angustata is a ground beetle species in the family Carabidae, described by Schwarz in 1878. The genus Apenes comprises small to medium-sized carabid beetles, many of which are associated with moist or riparian habitats. Records indicate presence in the United States, though detailed biological information remains limited. The species is rarely encountered in collections and field observations, with only three documented observations on iNaturalist.
Apenes coriacea
Apenes coriacea is a ground beetle in the family Carabidae, first described by Chevrolat in 1863. The species has a documented distribution across the Caribbean region and North America. Records indicate presence in the Cayman Islands, Cuba, the Lesser Antilles, and the United States. As a member of the genus Apenes, it belongs to a group of carabid beetles often associated with coastal and insular habitats.
Apenes lucidula
Apenes lucidula is a ground beetle species in the family Carabidae, distributed across the Caribbean, Central America, and North America. The species was originally described as Cymindis lucidula by Dejean in 1831. It includes three recognized subspecies: A. l. lucidula (the nominate subspecies), A. l. dulculia, and A. l. michelii, the latter two described by Ball & Shpeley in 1992. Like other members of the genus Apenes, it belongs to the diverse tribe Lebiini within the subfamily Lebiinae.
Apenes nebulosa
Apenes nebulosa is a species of ground beetle in the family Carabidae. It occurs in Central America and North America, with distribution records from Mexico and the United States. The species was described by LeConte in 1867. Very little is known about its biology, ecology, or specific habitat requirements.
Apenes sinuata
Apenes sinuata is a species of ground beetle in the family Carabidae. It occurs in North America, with confirmed records from Canada and the United States. The species was described by Thomas Say in 1823. As a member of the tribe Lebiini, it belongs to a diverse group of carabid beetles often associated with moist habitats.
Apristus
Apristus is a genus of ground beetles in the family Carabidae, first described by Chaudoir in 1846. The genus comprises approximately 60 described species distributed across multiple continents including North America, Europe, Asia, and Africa. Members are classified within the subtribe Lionychina of the tribe Lebiini. The genus exhibits considerable diversity in body form and coloration, with many species showing metallic or iridescent integument.
Apristus constrictus
Apristus constrictus is a species of ground beetle in the family Carabidae, first described by Casey in 1920. It belongs to the subfamily Lebiinae and tribe Lebiini. The species is known to occur in North America, with records from Canada and the United States.
Apristus laticollis
Apristus laticollis is a species of ground beetle in the family Carabidae. It occurs in North America, with records from the United States and Canada. The species was described by John Lawrence LeConte in 1851. As a member of the genus Apristus, it belongs to a group of small carabid beetles within the tribe Lebiini.
Apristus pugetanus
Apristus pugetanus is a small ground beetle in the family Carabidae, first described by Casey in 1920. It belongs to the subtribe Lionychina within the diverse tribe Lebiini. The species is known from a limited number of observations and appears restricted to western North America, with records from the Pacific Northwest region of the United States and Canada.
Ardistomina
Ardistomina is a subtribe of ground beetles (Carabidae: Clivinini) containing three genera in North America: Aspidoglossa, Semiardistomis, and Ardistomis. Five species occur north of Mexico. Larval morphology has been described based on first-instar Semiardistomis viridis, representing the first larval character states documented for the subtribe. The subtribe was historically confused with related taxa, necessitating taxonomic revisions to clarify generic boundaries.
Ardistomis
Ardistomis is a genus of pedunculate ground beetles (Carabidae: Scaritinae) comprising more than 40 described species distributed across North, Central, and South America. Larval morphology supports classification of ardistomines (Ardistomis, Semiardistomis, and Aspidoglossa) as a subtribe (Ardistomina) within the tribe Clivinini. The genus includes species with documented range extensions, such as A. quixotei, which likely colonized Cuba from Mexico during the Quaternary Period.
Ardistomis schaumii
Ardistomis schaumii is a species of ground beetle first described by John Lawrence LeConte in 1857. It belongs to the tribe Clivinini within the subfamily Scaritinae, a group characterized by fossorial (burrowing) adaptations. The species occurs in both North America and Central America. Published records remain sparse, with only 12 observations documented on iNaturalist as of the knowledge cutoff.
Aspidoglossa
Aspidoglossa is a genus of ground beetles (family Carabidae) established by Putzeys in 1846. The genus comprises approximately 26 described species distributed primarily in the Neotropics, with a single species, Aspidoglossa subangulata, extending into the southern United States. These beetles belong to the subtribe Ardistomina within the tribe Clivinini, a group characterized by fossorial (burrowing) adaptations. The genus has been documented through 629 iNaturalist observations, indicating moderate levels of citizen science engagement.
Aspidoglossa subangulata
Lesser Tail-light Carabid
Aspidoglossa subangulata is a small ground beetle in the subfamily Scaritinae, first described by Maximilien Chaudoir in 1843. It is commonly known as the Lesser Tail-light Carabid. The species has been documented across parts of North America, Middle America, and Japan. It belongs to the tribe Clivinini and is placed in the subtribe Ardistomina.
Athrostictus
Athrostictus is a genus of ground beetles in the family Carabidae, established by Henry Walter Bates in 1878. The genus comprises 18 described species. As members of the tribe Harpalini within the subfamily Harpalinae, these beetles are part of a diverse group of predominantly ground-dwelling predatory beetles.
Atranus
Atranus is a genus of ground beetles in the family Carabidae, established by LeConte in 1847. The genus contains two described species: Atranus pubescens and Atranus ruficollis. These beetles are classified within the subfamily Platyninae and tribe Platynini. Very little is known about the biology or ecology of this genus.
Atranus pubescens
Atranus pubescens is a ground beetle in the family Carabidae. The species is distributed across North America, with records from Canada and the United States. As a member of the subfamily Platyninae, it belongs to a group of carabid beetles typically associated with forest floor habitats. The specific epithet "pubescens" refers to a pubescent (hairy) appearance, though detailed morphological descriptions are limited in available sources.
Axinopalpus biplagiatus
Axinopalpus biplagiatus is a species of ground beetle in the family Carabidae. It is found in North America. The species was described by Dejean in 1825.
Axinopalpus fusciceps
black-headed pale carabid
Axinopalpus fusciceps is a ground beetle in the family Carabidae. It occurs from the southwestern United States through Mexico to Guatemala. Activity peaks during summer months, particularly June and July. The species is commonly known as the black-headed pale carabid.
Axinopalpus illectus
Axinopalpus illectus is a small ground beetle in the family Carabidae, subfamily Lebiinae. The species was described by Thomas Casey in 1920 and is known from the United States. It belongs to a genus of minute carabids often associated with leaf litter and ground-level habitats. Like other members of the tribe Lebiini, it is likely predatory, though specific ecological details remain poorly documented.
Axinopalpus pratti
Axinopalpus pratti is a species of ground beetle in the family Carabidae, described by Hatch in 1949. The genus Axinopalpus belongs to the subtribe Dromiusina within the tribe Lebiini. This species is known from the western United States. Members of this genus are generally small, active beetles associated with ground-level habitats.
Axinopalpus vittatus
Axinopalpus vittatus is a species of ground beetle in the family Carabidae, described by Hatch in 1949. The genus Axinopalpus belongs to the subtribe Dromiusina within the tribe Lebiini. The species is recorded from the United States, though specific details about its biology and ecology remain poorly documented in available sources.
Aztecarpalus schaefferi
Aztecarpalus schaefferi is a species of ground beetle in the family Carabidae, first described by George Ball in 1970. It belongs to the tribe Harpalini within the subfamily Harpalinae. The species is distributed across North America, with confirmed records from the United States and Mexico. As a member of the ground beetle family, it is likely a predatory species, though specific ecological details remain poorly documented.
Badister
Badister is a genus of small ground beetles in the family Carabidae, comprising approximately 54 species distributed across North Africa, the Near East, and the Holarctic. Members of this genus are characterized by asymmetric mandibles adapted for shell-breaking predation on gastropods. The genus is classified within the tribe Licinini, a group widely associated with snail-eating behavior. Badister species occupy wetland and riparian habitats, with documented activity in wet grasslands, lakeshores, and riverbanks.
Badister ferrugineus
Badister ferrugineus is a ground beetle species in the family Carabidae, described by Dejean in 1831. The species belongs to the genus Badister, a group of small predatory beetles found primarily in wetland and riparian habitats. Records indicate presence in Canada and the United States.
Badister grandiceps
Badister grandiceps is a species of ground beetle in the genus Badister, first described by Thomas L. Casey in 1920. It is distributed across Canada and the United States in North America. The species is characterized by its brown coloration. Like other members of the genus Badister, it belongs to the tribe Badisterini within the subfamily Harpalinae of the family Carabidae.
Badister obtusus
Short Spotted Beetle
Badister obtusus is a species of ground beetle in the family Carabidae, first described by LeConte in 1878. The species is known from North America, with records from Canada and the United States. It is a member of the diverse genus Badister, which comprises small to medium-sized predatory beetles. Information on its biology and ecology remains limited.
Badister parviceps
Badister parviceps is a small ground beetle in the family Carabidae, described by Ball in 1959. The species is found in North America, with records from Canada and the United States. As a member of the genus Badister, it belongs to a group of predatory beetles commonly known as bombardier beetles or hunting beetles, though specific ecological details for this species remain poorly documented.
Badister reflexus
Badister reflexus is a species of ground beetle first described by John Lawrence LeConte in 1880. It belongs to the family Carabidae, a diverse group of predatory beetles. The species is known from North America, with documented occurrences in Canada and the United States.
Badister transversus
Transverse Harp Ground Beetle
Badister transversus is a species of ground beetle in the family Carabidae. It is known from North America, with records from Canada and the United States. The species was described by Casey in 1920. As a member of the genus Badister, it belongs to a group commonly referred to as harp ground beetles.
Bembidiina
A large subtribe of ground beetles (Carabidae) comprising over 120 genera and more than 3,100 described species. Members are generally small to minute beetles with diverse morphologies across numerous subgenera. The subtribe has a cosmopolitan distribution with major centers of diversity in the Palaearctic and Afrotropical regions. Taxonomic revisions continue to refine species boundaries, synonymies, and subgeneric placements based on male genitalia and elytral microsculpture.
Bembidiini
Bembidiini is a large tribe of ground beetles (Carabidae) comprising over 120 genera and approximately 3,100 described species. Members are predominantly small to minute beetles, often found in riparian, intertidal, subterranean, and arboreal habitats. The tribe includes notable subtribes such as Xystosomina (arboreal tropical beetles) and Anillina (small litter-dwelling forms), as well as the subtribe Lovriciina containing highly specialized cave-dwelling species. Many species exhibit narrow habitat specificity, including intertidal gravel beaches and tropical forest canopy systems.
Bembidion
Bembidion is the largest genus of ground beetles in the family Carabidae by number of species. All species are small, measuring less than 7.5 mm, and are characterized by rapid movement. The genus exhibits a biantitropical distribution pattern, occurring in temperate regions of both the Northern and Southern Hemispheres but absent from tropical zones. Taxonomic subdivision of the genus remains unresolved, with multiple attempts to split it into smaller genera failing to achieve general acceptance.
Bembidion acticola
Bembidion acticola is a species of ground beetle in the family Carabidae. It is known from a narrow geographic range along the Atlantic coast of the eastern United States. The species was described by Casey in 1884. Very little ecological or behavioral information has been published for this species.
Bembidion actuosum
Energetic Riverbank Ground Beetle
Bembidion actuosum is a species of ground beetle in the family Carabidae, first described by Casey in 1918. It is commonly known as the Energetic Riverbank Ground Beetle. The species is distributed across North America, with records from Canada and the United States. Like other Bembidion species, it is presumed to be a predatory beetle inhabiting riparian environments.
Bembidion acutifrons
Bembidion acutifrons is a small ground beetle in the family Carabidae, described by LeConte in 1879. The species occurs in northern regions of North America, with documented records from Alaska, Canada, and the United States. Like other members of the genus Bembidion, it is a predatory beetle inhabiting riparian and moist ground habitats. Available occurrence data are sparse, with only three observations recorded in iNaturalist.
Bembidion aeneicolle
A small ground beetle in the genus Bembidion, first described by LeConte in 1847. The species is poorly documented in modern literature, with minimal observational records available. Based on genus-level characteristics, it belongs to a diverse group of carabid beetles commonly associated with riparian and moist habitats.
Bembidion alaskense
Bembidion alaskense is a ground beetle species in the family Carabidae, described by Carl Lindroth in 1962. The species has a Holarctic distribution, with records from Alaska and Russia. It belongs to the large genus Bembidion, which comprises numerous small, often riparian-associated beetles. The species name reflects its Alaskan type locality.
Bembidion americanum
Bembidion americanum is a species of ground beetle in the family Carabidae. It is distributed across North America, with records from Canada and the United States. As a member of the large genus Bembidion, it is a small predatory beetle inhabiting ground-level environments.
Bembidion amnicum
Bembidion amnicum is a synonym of Bembidion nubiculosum, a species of ground beetle in the family Carabidae. The name was published by Casey in 1918. The currently accepted name is Bembidion (Notaphus) nubiculosum.
Bembidion antiquum
Bembidion antiquum is a species of ground beetle in the subfamily Trechinae, first described by Dejean in 1831. It occurs in North America, specifically in Canada and the United States. The species belongs to the large genus Bembidion, which comprises numerous small ground beetle species commonly found in diverse terrestrial habitats.
Bembidion approximatum
Bembidion approximatum is a species of ground beetle in the family Carabidae, described by LeConte in 1852. It belongs to the large genus Bembidion, which comprises numerous small carabid beetles commonly found in moist habitats across North America. The species has been documented in Canada and the United States, though specific details about its biology remain limited in available sources.
Bembidion aratum
Bembidion aratum is a species of ground beetle in the family Carabidae, described by LeConte in 1852. It is distributed across North America, with confirmed records from the United States, Mexico, and Honduras. Like other members of the genus Bembidion, it is a small predatory beetle typically associated with riparian or moist habitats. The species is rarely encountered, with only six observations documented on iNaturalist.
Bembidion arcticum
Bembidion arcticum is a species of ground beetle in the family Carabidae, described by Lindroth in 1963. It is distributed across the Holarctic region, with records from Alaska, Canada, Russia, and the United States. The species is among the many small carabid beetles in the large genus Bembidion, which are generally predatory insects. Very few observational records exist for this species, with only one observation documented on iNaturalist.
Bembidion balli
Bembidion balli is a species of ground beetle in the family Carabidae, described by Lindroth in 1962. The species is known from North America, with records from Alaska, Canada, and the contiguous United States. As a member of the genus Bembidion, it belongs to a large and diverse group of small carabid beetles commonly found in riparian and moist habitats.