Carabidae
Guides
Colliuris pensylvanica
Long-necked Ground Beetle
Colliuris pensylvanica is a small ground beetle in the family Carabidae, tribe Odacanthini, commonly known as the long-necked ground beetle. Adults measure 5.8–7.2 mm in length. The species has undergone extensive taxonomic revision, with multiple historical names now synonymized under the current valid name. It occurs across a broad geographic range in North America and the Caribbean.
Cononotus substriatus
Cononotus substriatus is a species of ground beetle in the family Carabidae. The genus Cononotus comprises small to medium-sized carabids. Specific ecological details for this species remain poorly documented in available sources.
Coptodera
Coptodera is a genus of small ground beetles in the family Carabidae, comprising approximately 105 described species. The genus exhibits a broad geographic distribution spanning North and South America, Africa, Oceania, and eastern Asia. A single fossil species, Coptodera elektra, is known from Eocene Baltic amber, representing the only European record for the genus.
Corticotomus depressus
Corticotomus depressus is a species of ground beetle in the family Carabidae. The genus Corticotomus is a small group within the tribe Harpalini, characterized by species adapted to particular microhabitats. Very little specific information is available about this particular species in the accessible literature. The species epithet "depressus" suggests a flattened body form, which is common among ground beetles that inhabit tight spaces under bark or in leaf litter.
Cratacanthus
Cratacanthus is a monotypic genus of ground beetles (Carabidae) established by Dejean in 1829. The genus contains a single species, Cratacanthus dubius. It belongs to the tribe Harpalini within the subfamily Harpalinae. The genus is classified within the diverse adephagan beetle radiation.
Cratacanthus dubius
Dubious Harp Ground Beetle
Cratacanthus dubius is a species of ground beetle in the family Carabidae, and the sole member of the genus Cratacanthus. It is a moderately-sized beetle with a distinctive harp-like pronotal shape that gives the genus its name. The species has a broad distribution across North America, with records from both Canada and the United States. Its common name reflects both its taxonomic placement in the harp ground beetle lineage and the uncertainty that surrounded its early classification.
Cychrini
snail-eating ground beetles
Cychrini is a tribe of ground beetles (Carabidae) comprising approximately 6 genera and over 300 described species. Members are specialized snail predators (malacophagous), with morphological adaptations including enlarged, sculptured mandibles for crushing shells. The tribe exhibits a disjunct global distribution, with genera occurring in the Holarctic region, Australia, New Zealand, and parts of Asia. Cychrini are among the largest carabid beetles, with many species exceeding 15 mm in length.
Cychrus hemphillii
Hemphill's rare snail-eating beetle
Cychrus hemphillii is a species of ground beetle in the subfamily Carabinae, described by George Henry Horn in 1878. It is one of the "snail-eating beetles" in the tribe Cychrini, characterized by its elongated, narrow head adapted for extracting snails from their shells. The species occurs in western North America with two recognized subspecies: the nominate form in Idaho, Utah, and Wyoming, and C. h. rickseckeri in British Columbia, Idaho, Montana, Oregon, Utah, and Washington.
Cychrus hemphillii hemphillii
Cychrus hemphillii hemphillii is a subspecies of ground beetle in the family Carabidae, first described by George Henry Horn in 1879. It belongs to the nominate subfamily Carabinae, which includes the so-called 'snail hunters' and 'caterpillar hunters'—large, charismatic ground beetles known for their prominent mandibles. The species is known from North America, with records from both Canada and the United States.
Cychrus hemphillii rickseckeri
Cychrus hemphillii rickseckeri is a subspecies of ground beetle in the family Carabidae, described by LeConte in 1884. It belongs to the nominate subfamily Carabinae, which includes the so-called 'snail hunters' and 'caterpillar hunters'—large, charismatic beetles noted for their prominent mandibles. The genus Cychrus is part of the tribe Cychrini, a group of specialized predatory beetles. This subspecies has been recorded from both Canada and the United States in North America.
Cyclosomini
Cyclosomini is a tribe of ground beetles (Carabidae: Lebiinae) containing approximately 18 genera and over 490 described species. Members are distributed across multiple continents, with documented occurrences in Africa, the Neotropics, and other regions. The tribe includes genera such as Graphipterus and Tetragonoderus, for which some larval morphology and limited natural history information has been described.
Cyclotrachelus alternans
Cyclotrachelus alternans is a ground beetle species in the family Carabidae, described by Casey in 1920. It belongs to a genus of woodland ground beetles found in North America. The species has been documented in Canada and the United States, with limited observational records available.
Cyclotrachelus approximatus
Cyclotrachelus approximatus is a species of ground beetle in the family Carabidae, described by LeConte in 1846. It belongs to the subfamily Pterostiginae, a group of woodland ground beetles. The species is distributed in North America, with records from the United States.
Cyclotrachelus blatchleyi
Cyclotrachelus blatchleyi is a species of ground beetle in the family Carabidae, occurring in woodland habitats of North America. The genus Cyclotrachelus comprises woodland ground beetles characterized by their terrestrial habits and predatory ecology. This species was described by Casey in 1918.
Cyclotrachelus brevoorti
Cyclotrachelus brevoorti is a species of ground beetle in the family Carabidae. It is native to North America and has been recorded in the United States. As a member of the genus Cyclotrachelus, it belongs to a group of woodland ground beetles. The species was described by LeConte in 1846.
Cyclotrachelus convivus
woodland ground beetle
Cyclotrachelus convivus is a species of ground beetle in the family Carabidae, described by LeConte in 1853. It belongs to a genus of woodland ground beetles distributed primarily in North America. The species is documented from the United States, though specific ecological details remain limited in published literature.
Cyclotrachelus dejeanellus
Cyclotrachelus dejeanellus is a species of ground beetle in the family Carabidae, tribe Harpalini. The genus Cyclotrachelus comprises medium to large-sized ground beetles distributed primarily in North America. Species in this genus are generally characterized by their robust body form and association with ground-dwelling habitats. This species is part of a genus that has attracted interest from coleopterists, as evidenced by its inclusion in collector wish lists for regional surveys.
Cyclotrachelus freitagi
woodland ground beetle
Cyclotrachelus freitagi is a ground beetle in the family Carabidae, described by Bousquet in 1993. It belongs to the genus Cyclotrachelus, a group of woodland ground beetles distributed in North America. The species is known from the United States.
Cyclotrachelus fucatus
Cyclotrachelus fucatus is a species of ground beetle in the family Carabidae. It belongs to a genus of woodland ground beetles native to North America. The species was described by Freitag in 1969. Available records indicate it occurs in the United States, though specific ecological details remain poorly documented.
Cyclotrachelus furtivus
Cyclotrachelus furtivus is a species of woodland ground beetle in the family Carabidae. It is native to North America, with records from the United States. As a member of the genus Cyclotrachelus, it belongs to a group of ground beetles associated with forest floor habitats.
Cyclotrachelus hernandensis
Cyclotrachelus hernandensis is a species of ground beetle in the family Carabidae. It belongs to the genus Cyclotrachelus, a group of carabid beetles found in North America. The species was described by Van Dyke in 1943. Very little specific information about its biology or ecology has been documented.
Cyclotrachelus heros
Cyclotrachelus heros is a species of ground beetle in the family Carabidae. It is native to North America and has been recorded from the United States. As a member of the Carabidae family, it is part of the diverse ground beetle fauna that inhabits various terrestrial habitats across the continent.
Cyclotrachelus incisus
woodland ground beetle
Cyclotrachelus incisus is a species of ground beetle in the family Carabidae. It is classified as a woodland ground beetle and has been documented in North America. Like other members of the genus Cyclotrachelus, it is a ground-dwelling species.
Cyclotrachelus laevipennis
woodland ground beetle
Cyclotrachelus laevipennis is a species of ground beetle in the family Carabidae, described by LeConte in 1846. It belongs to the genus Cyclotrachelus, a group of woodland ground beetles distributed across North America. The species is recorded from the United States with limited observation data available. As with other members of Carabidae, it is likely a predatory beetle active on or near the ground surface.
Cyclotrachelus ovulum
A ground beetle in the genus Cyclotrachelus, family Carabidae. The genus name refers to the rounded, wheel-like pronotal shape characteristic of these beetles. Very few documented observations exist for this species.
Cyclotrachelus seximpressus
woodland ground beetle
Cyclotrachelus seximpressus is a species of ground beetle in the family Carabidae. It is classified as a woodland ground beetle and occurs in North America. The species was described by LeConte in 1846. Like other members of the genus Cyclotrachelus, it is likely associated with forest floor habitats.
Cyclotrachelus sigillatus
woodland ground beetle
Cyclotrachelus sigillatus is a species of woodland ground beetle in the family Carabidae, described by Thomas Say in 1823. It is found in North America, with records from the United States. As a ground beetle, it likely inhabits forest floor habitats where it functions as a predatory insect.
Cyclotrachelus spoliatus
woodland ground beetle
Cyclotrachelus spoliatus is a species of ground beetle in the family Carabidae, first described by Newman in 1838. It is classified within the genus Cyclotrachelus, a group of woodland ground beetles distributed across North America. The species is recorded from the United States, though specific ecological details remain limited in published sources.
Cyclotrachelus unicolor
A ground beetle in the family Carabidae, Cyclotrachelus unicolor is a poorly documented species with limited observational records. The species epithet 'unicolor' refers to its uniform coloration. Available information is sparse, with only two iNaturalist observations documented and minimal published literature specifically addressing this taxon.
Cylindronotum aeneum
Cylindronotum aeneum is a species of ground beetle in the family Carabidae, first described by Putzeys in 1845. It belongs to the subfamily Lebiinae and tribe Lebiini. The species is documented from Central America and northern South America, with records from Belize, Guatemala, Nicaragua, Panama, and French Guiana. Available information on this species is limited.
Cymindis
Cymindis is a genus of ground beetles in the family Carabidae, established by Latreille in 1805. The genus comprises over 50 described species distributed across the Palearctic region, with particularly high diversity in Central Asia and the Near East. Many species are associated with arid and semi-arid habitats. The genus is divided into numerous subgenera, reflecting substantial morphological and ecological variation among its constituent species.
Cymindis americana
Cymindis americana is a species of ground beetle in the family Carabidae, subfamily Harpalinae. It was described by Pierre François Marie Auguste Dejean in 1826. The genus Cymindis comprises numerous species of small to medium-sized predatory beetles distributed primarily in the Holarctic region. As a member of the Harpalinae, this species likely exhibits the cursorial (running) locomotion and predatory habits characteristic of this diverse subfamily.
Cymindis arizonensis
Cymindis arizonensis is a species of ground beetle in the subfamily Harpalinae, described by Schaeffer in 1910. The genus Cymindis comprises numerous species of ground beetles distributed across the Northern Hemisphere. Like other members of Carabidae, this species is likely a nocturnal predator. Records indicate presence in the United States and North America, though detailed ecological information remains limited.
Cymindis borealis
Cymindis borealis is a species of ground beetle in the subfamily Harpalinae, described by John Lawrence LeConte in 1863. The genus Cymindis comprises small to medium-sized carabid beetles, many of which are nocturnal predators. Species in this genus are typically associated with open, dry habitats and are often found under stones or debris.
Cymindis elegans
Cymindis elegans is a ground beetle species in the genus Cymindis, first described by LeConte in 1846. It belongs to the subfamily Lebiinae and tribe Lebiini within the family Carabidae. The species is known from Virginia in the United States. Very little specific information about its biology, ecology, or behavior has been documented.
Cymindis laticollis
A ground beetle species in the subfamily Harpalinae, described by Thomas Say in 1830. Records indicate presence in Canada and the United States. As a member of genus Cymindis, it likely shares the nocturnal predatory habits characteristic of this genus, though specific behavioral observations for this species remain limited.
Cymindis pilosa
Cymindis pilosa is a species of ground beetle in the subfamily Harpalinae, described by Thomas Say in 1823. It belongs to the genus Cymindis, a group of small to medium-sized carabid beetles. The species is known from North America, with records from Canada and the United States. As a member of Carabidae, it is likely predatory, though specific ecological details remain poorly documented.
Cymindis platicollis atripennis
Cymindis platicollis atripennis (Casey, 1920) is a subspecies of ground beetle in the family Carabidae. GBIF indicates this name is currently treated as a synonym of Pinacodera atripennis. The taxon was originally described from the United States. Very little specific information is available for this infraspecific name.
Cymindis punctifera
Cymindis punctifera is a species of ground beetle in the family Carabidae. The species was described by LeConte in 1884. It is currently treated as a synonym of Pinacodera punctifera, though both names appear in use across different taxonomic databases. The species is known from the United States.
Cymindis punctigera
Cymindis punctigera is a ground beetle species described by LeConte in 1851. It is currently treated as a synonym of Pinacodera punctigera. The species belongs to the subfamily Lebiinae within the family Carabidae. Records indicate occurrence in Mexico and the United States.
Cymindis rufostigma
Cymindis rufostigma is a ground beetle species described by Hunting in 2013. It is currently recognized as a synonym of Pinacodera rufostigma (Hunting, 2013). The species belongs to the subfamily Lebiinae, a group of small to medium-sized predatory beetles. Records indicate occurrence in the United States.
Cymindis seriata
Cymindis seriata is a ground beetle species in the subfamily Harpalinae, described by Hatch in 1953. It belongs to the genus Cymindis, a diverse group of predatory beetles commonly known as hairy ground beetles. The species is known from the United States, though detailed biological information remains limited.
Cymindis sp-one-ariz
Cymindis sp-one-ariz is an undescribed species of ground beetle in the genus Cymindis, tribe Cymindini, found in Arizona. Members of this genus are generally small to medium-sized carabid beetles with elongated bodies and thread-like antennae. This particular species represents a distinct lineage awaiting formal taxonomic description from the southwestern United States.
Cymindis yaqui
Cymindis yaqui is a ground beetle species in the family Carabidae, subfamily Harpalinae, and tribe Lebiini. The species was described from specimens collected in the southwestern United States and adjacent Mexico. It belongs to a genus of small to medium-sized carabid beetles that are generally associated with arid and semi-arid environments. Like other Cymindis species, it is likely nocturnal and predatory, though specific biological details remain poorly documented in the scientific literature.
Dercylinus impressus
Dercylinus impressus is a rarely encountered ground beetle (family Carabidae) and the sole species in the genus Dercylinus. Described by LeConte in 1853, this species is endemic to the United States with records from North America. The genus belongs to the subfamily Licininae and tribe Oodini. Very little is known about its biology, ecology, or habitat preferences due to its apparent rarity and limited collection records.
Diacheila
Diacheila is a genus of ground beetles in the family Carabidae, subfamily Elaphrinae. The genus comprises at least four described species, including one extinct species. Members are distributed across Holarctic regions, with some species restricted to Central Asia. The genus is notable for its Arctic and Subarctic specialization, particularly the well-studied D. polita, which exhibits photoperiod-driven life cycle timing.
Diacheila arctica
Arctic Diacheila
Diacheila arctica is a species of ground beetle in the family Carabidae. It has a Holarctic distribution, occurring in Europe, Northern Asia (excluding China), and North America. The species is classified within the subfamily Elaphrinae, a group of small to medium-sized carabid beetles often associated with moist habitats. Two subspecies are recognized: D. a. arctica (Gyllenhal, 1810) and D. a. amoena (Faldermann, 1835).
Dicaelina
Dicaelina is a subtribe of ground beetles (Carabidae: Licininae: Licinini) established by Laporte in 1834. Members of this subtribe are included within the tribe Licinini, a group of predatory beetles characterized by elongated bodies and relatively long legs adapted for running. The subtribe contains multiple genera of moderate to large-sized carabids distributed across various regions. iNaturalist records indicate substantial observational data (4,358 observations), suggesting these beetles are moderately well-documented by naturalists.
Dicaelus
Notched-mouthed Ground Beetles
Dicaelus is a genus of ground beetles in the family Carabidae, containing approximately 18 described species restricted to North America. Members of this genus are commonly known as notched-mouthed ground beetles, a name referencing a distinctive morphological feature of the group. These beetles are primarily active predators found in terrestrial habitats across the continent.
Dicaelus alternans
Dicaelus alternans is a species of ground beetle in the family Carabidae, genus Dicaelus. Members of this genus are commonly known as notched-mouthed ground beetles. The genus Dicaelus is characterized by distinctive mandibular notches. Like other ground beetles, D. alternans is likely a predatory species, though specific ecological details for this species remain poorly documented. The species has been observed in xeric rhyolite prairie habitats.