Ground-beetle
Guides
Thalassotrechus
Thalassotrechus is a monotypic genus of ground beetles in the family Carabidae, containing only the species Thalassotrechus barbarae. The genus is notable for its specialized intertidal habitat, with the single species inhabiting crevices in rocky intertidal zones along the Pacific coast of North America. Members of this genus exhibit specialized habitat recognition behaviors mediated by chemical and physical cues in their sediment environment.
Thalpius
Thalpius is a genus of ground beetles in the family Carabidae, tribe Lebiini. These small to medium-sized beetles are part of the diverse carabid fauna of North America. The genus was established by Leconte in 1851 and contains multiple species distributed primarily in the United States and adjacent regions.
Thalpius dorsalis
Thalpius dorsalis is a ground beetle (Carabidae) in the tribe Zuphiini. It is currently classified as a synonym of Pseudaptinus dorsalis. The species was described by Brullé in 1834 and has been recorded from Cuba and the United States. As a member of the ground beetle family, it likely occupies soil and ground-level habitats, though specific ecological details remain poorly documented.
Thalpius hoegei
Thalpius hoegei is a ground beetle species (Coleoptera: Carabidae) originally described by Bates in 1883. It is currently treated as a synonym of Pseudaptinus hoegei, reflecting taxonomic reclassification within the tribe Zuphiini. The species belongs to a group of carabid beetles characterized by specialized predatory habits and association with ant colonies. Records indicate presence in Mexico and the southwestern United States.
Thalpius horni
Thalpius horni is a species of ground beetle in the family Carabidae, first described by Chaudoir in 1872. It is currently classified within the genus Thalpius, though it was historically placed in Pseudaptinus as a subgenus. The species is known from the United States and is considered a synonym of Pseudaptinus horni in some taxonomic treatments. As a member of the tribe Zuphiini, it belongs to a group of carabid beetles often associated with particular microhabitats and prey specializations.
Thalpius nobilis
Thalpius nobilis is a ground beetle species described by Liebke in 1934. It belongs to the tribe Zuphiini within the subfamily Dryptinae of Carabidae. The species has been recorded from Costa Rica, Mexico, and the United States. Its taxonomic status has been subject to revision, with some sources treating it as a synonym of Pseudaptinus nobilis.
Thalpius pygmaeus
Thalpius pygmaeus is a small ground beetle in the family Carabidae, subfamily Dryptinae, described by Dejean in 1826. The species is classified within the tribe Zuphiini, a group of carabid beetles often associated with ant colonies or exhibiting myrmecophilous tendencies. Very little specific biological information has been documented for this particular species. It is currently treated as a valid species in the genus Thalpius, though some classifications place it within the subgenus Pseudaptinus (Thalpius). The species epithet "pygmaeus" refers to its small size.
Thalpius simplex
Thalpius simplex is a ground beetle species in the family Carabidae, originally described by Liebke in 1934. It is currently treated as a synonym of Pseudaptinus simplex. The species is known from Mexico. As a member of the subfamily Dryptinae and tribe Zuphiini, it belongs to a group of carabid beetles often associated with predatory habits, though specific biological details for this species remain poorly documented.
Trechoblemus westcotti
Trechoblemus westcotti is a species of ground beetle in the family Carabidae, described by Barr in 1972. It belongs to the genus Trechoblemus, which is part of the tribe Trechini within the subfamily Trechinae. The species is known from the United States and is named in honor of Richard L. Westcott, an entomologist known for his work on Buprestidae and other beetle groups.
Trechus apicalis
Trechus apicalis is a species of ground beetle in the subfamily Trechinae, first described by Motschulsky in 1845. It belongs to the large genus Trechus, which comprises numerous small carabid beetles often associated with cool, moist habitats. The species has a Holarctic distribution, occurring across northern regions of North America and Eurasia.
Trechus barberi
Trechus barberi is a species of ground beetle in the family Carabidae, originally described by Jeannel in 1931 as Microtrechus barberi. It belongs to the large genus Trechus, which contains numerous small carabid beetles found primarily in the Northern Hemisphere. The species is recorded from the United States, though specific details about its biology and ecology remain limited in available sources.
Trechus chalybeus
Trechus chalybeus is a small ground beetle in the family Carabidae, subfamily Trechinae. The species was described by Dejean in 1831 and has been historically placed in the genus Epaphius by some authorities. It is known from North America with records across the northern United States, Canada, and Alaska. As a member of the large genus Trechus, it shares the typical characteristics of small, often metallic carabid beetles associated with ground-level habitats.
Trechus hydropicus
Trechus hydropicus is a species of ground beetle in the family Carabidae. It was described by G. Horn in 1883. The species is native to North America and is recognized to include four subspecies. As a member of the genus Trechus, it belongs to a diverse group of small carabid beetles commonly known as blind beetles or cave beetles, though many species inhabit surface environments.
Trechus obtusus
Trechus obtusus is a ground beetle species in the family Carabidae, originally described from Europe and now established as an invasive species in Hawaii. It has been documented in large numbers in pitfall traps at Pu'u Maka'ala Natural Area Reserve on the island of Hawaii, where it may compete with or displace native carabid species. The species has a broad native distribution spanning North America, Europe, and Africa, with six recognized subspecies showing regional variation.
Trechus quadristriatus
Four-lined ground beetle
Trechus quadristriatus is a small ground beetle in the family Carabidae, distributed across North America, Europe, temperate Asia, and Africa. It has been studied primarily in agricultural landscapes, where its ecology has been examined alongside similar carabid species. The species is one of many in the large genus Trechus, which comprises numerous small, often difficult-to-distinguish ground beetles.
Trechus satanicus
Trechus satanicus is a species of ground beetle in the subfamily Trechinae, described by Barr in 1962. It belongs to the genus Trechus, a large and diverse group of small carabid beetles distributed across the Northern Hemisphere. The species epithet "satanicus" refers to its association with subterranean or cave-like habitats, from which the name derives. Like other members of Trechus, it is likely adapted to moist, dark microhabitats.
Trechus schwarzi saludae
Trechus schwarzi saludae is a subspecies of ground beetle in the family Carabidae, described by Barr in 1979. It belongs to the large genus Trechus, which comprises numerous ground beetle species primarily found in temperate regions. As a subspecies of T. schwarzi, it represents a geographically restricted population with presumably distinct morphological characteristics that warranted subspecific recognition. The species epithet 'schwarzi' honors a person, likely an entomologist or collector, while 'saludae' refers to a geographic locality.
Trechus tuckaleechee
Trechus tuckaleechee is a species of ground beetle in the subfamily Trechinae, described by Barr in 1962. It belongs to the genus Trechus, a large and widespread group of small carabid beetles commonly known as blind beetles or trechine ground beetles. The species epithet 'tuckaleechee' likely references Tuckaleechee, a location in Tennessee, USA, suggesting a restricted geographic distribution. Like other Trechus species, it is presumably adapted to subterranean or cryptic habitats.
Trechus vandykei
Trechus vandykei is a species of ground beetle in the family Carabidae, subfamily Trechinae. It was described by Jeannel in 1927. The species is currently accepted as valid, though some sources list it as a synonym of Trechus striatulus. It belongs to the large genus Trechus, which contains numerous ground beetle species distributed across North America and other regions.
Trechus vandykei pisgahensis
A subspecies of ground beetle in the family Carabidae, described by Barr in 1979. This taxon belongs to the genus Trechus, a diverse group of small carabid beetles commonly known as ground beetles. The subspecific epithet 'pisgahensis' suggests an association with Pisgah, likely referring to a geographic location in the southeastern United States.
Trichotichnus fulgens
Trichotichnus fulgens is a ground beetle species in the family Carabidae, originally described by Csiki in 1932. The species is currently considered a synonym of Trichotichnus nitidulus according to GBIF taxonomy. It is recorded from North America, specifically Canada and the United States. As a member of the tribe Harpalini, it belongs to a diverse group of ground beetles commonly found in terrestrial habitats. The genus Trichotichnus contains multiple species distributed across the Holarctic region.
Trichotichnus vulpeculus
Trichotichnus vulpeculus is a ground beetle species in the family Carabidae, distributed across North America. The species was described by Thomas Say in 1823 and is currently accepted as valid, though some sources list it as a synonym of Parophonus (Hyparpalus) holosericeus. It belongs to the tribe Harpalini, a diverse group of ground beetles often associated with open habitats.
Xenotrechus condei
Northern Xenotrechus Cave Beetle
Xenotrechus condei is a cave-dwelling ground beetle in the family Carabidae, subfamily Trechinae. It is one of several species in the genus Xenotrechus, a group specialized for subterranean habitats. The species was described in 1967 from specimens collected in the United States. It represents a lineage of beetles that have adapted to permanent darkness and associated cave conditions.
Xenotrechus denticollis
Southern Xenotrechus Cave Beetle
Xenotrechus denticollis is a troglobitic ground beetle in the family Carabidae, described by Barr & Krekeler in 1967. It belongs to a genus of cave-dwelling beetles endemic to the southern United States. The species epithet 'denticollis' refers to toothed characteristics of the pronotum or neck region.
Zacotus
Zacotus is a monotypic genus of ground beetles in the family Carabidae, containing the single species Zacotus matthewsii. The genus was established by LeConte in 1869 and is classified within the subfamily Broscinae. The sole species represents a rare example of a genus with no known congeners.
Zuphioides americanum
Zuphioides americanum is a ground beetle species in the family Carabidae, subfamily Dryptinae. It is known from the United States and Canada. Like other members of the tribe Zuphiini, this species is presumed to be predatory, though specific ecological details remain poorly documented in published literature.
Zuphioides longicolle
Zuphioides longicolle is a ground beetle species in the family Carabidae, described by LeConte in 1879. It belongs to the tribe Zuphiini, a group of carabid beetles often associated with specific microhabitats. The species occurs in both the United States and Mexico, with limited observational records available.
Zuphioides magnum
Zuphioides magnum is a ground beetle species in the family Carabidae, first described by Schaeffer in 1910. It belongs to the tribe Zuphiini within the subfamily Dryptinae. The species is recorded from the United States, though specific details about its biology and ecology remain poorly documented in the available literature.