Ground-beetle

Guides

  • Stenolophus carbo

    Burned Harp Ground Beetle

    Stenolophus carbo is a small ground beetle in the family Carabidae, described by Bousquet in 1993. It belongs to the genus Stenolophus, commonly known as seedcorn beetles or harp ground beetles, which are typically associated with agricultural and disturbed habitats. The species is known from North America, with records from Canada and the United States. As a member of the Carabidae, it is likely predatory or omnivorous, though specific ecological details remain poorly documented.

  • Stenolophus comma

    Common Stenolophus Beetle, seedcorn beetle

    Stenolophus comma is a small ground beetle commonly known as the Common Stenolophus Beetle or seedcorn beetle. Native to North America, it is primarily associated with agricultural habitats where adults feed on germinating seeds and seedlings of row crops. The species has been extensively studied in Iowa, where it completes two generations annually and overwinters as adults in soil and crop residues.

  • Stenolophus flavipes

    Stenolophus flavipes is a ground beetle species in the family Carabidae, first described by LeConte in 1858. The species epithet "flavipes" refers to yellow legs, a characteristic feature of this beetle. It belongs to the genus Stenolophus, a group of small to medium-sized carabid beetles commonly known as seedcorn beetles or slender ground beetles. Records indicate presence in the United States and North America.

  • Stenolophus fuliginosus

    Sooty Harp Ground Beetle

    Stenolophus fuliginosus is a ground beetle in the family Carabidae, commonly known as the Sooty Harp Ground Beetle. It was described by Dejean in 1829 and occurs across North America including Canada and the United States. As a member of the genus Stenolophus, it belongs to a group of small to medium-sized ground beetles often associated with open habitats.

  • Stenolophus fuscatus

    Black-banded Harp Ground Beetle

    Stenolophus fuscatus is a ground beetle species in the family Carabidae, commonly known as the Black-banded Harp Ground Beetle. It is a small to medium-sized carabid beetle distributed across North America, with records from both Canada and the United States. The species belongs to the genus Stenolophus, a group often associated with moist or riparian habitats. Despite its wide distribution, it appears to be infrequently encountered based on limited observation records.

  • Stenolophus humidus

    Humid Harp Ground Beetle

    Stenolophus humidus is a ground beetle species in the family Carabidae, first described by Hamilton in 1893. It belongs to the genus Stenolophus, a group commonly known as seedcorn beetles. The species is documented from North America, with records from both Canada and the United States. Like other members of its genus, it is likely associated with open, moist habitats.

  • Stenolophus incultus

    Truckee Harp Ground Beetle

    Stenolophus incultus is a small ground beetle in the family Carabidae, native to North America. The species has been documented in Canada and the United States. As a member of the genus Stenolophus, it belongs to a group commonly referred to as seedcorn beetles. The species is nocturnally active and has been recorded at artificial light sources.

  • Stenolophus infuscatus

    Stenolophus infuscatus is a species of ground beetle in the family Carabidae. It occurs in North America. As a member of the genus Stenolophus, it belongs to a group of small to medium-sized carabid beetles commonly known as seedcorn beetles, which are frequently encountered in agricultural and disturbed habitats.

  • Stenolophus lecontei

    LeConte's Seedcorn Beetle

    Stenolophus lecontei is a ground beetle in the family Carabidae, commonly known as LeConte's Seedcorn Beetle. It is distributed across North America, with records from both the United States and Canada. The species is closely related to Stenolophus comma, with which it shares the common name "seedcorn beetle" and similar ecological associations. Adults have been observed at blacklight in early spring, suggesting nocturnal activity patterns.

  • Stenolophus limbalis

    Pale-bordered Harp Ground Beetle

    Stenolophus limbalis is a ground beetle in the family Carabidae, commonly known as the Pale-bordered Harp Ground Beetle. It is a member of the large genus Stenolophus, which contains numerous small to medium-sized carabid beetles. The species is known from North America, with records from both the United States and Canada.

  • Stenolophus lineola

    Lined Stenolophus

    Stenolophus lineola is a species of ground beetle in the family Carabidae, commonly known as the Lined Stenolophus. It occurs across North America, with records from Canada and the United States. The species belongs to a genus of small, often brightly marked ground beetles that frequent open, moist habitats. As a member of the tribe Stenolophini, it shares characteristics with other seedcorn beetles that are sometimes associated with agricultural fields and grassy areas.

  • Stenolophus maculatus

    Stenolophus maculatus is a species of ground beetle in the family Carabidae. It is endemic to North America. The species was described by Schaum in 1860 and is currently accepted under that name, though it has also been treated as Acupalpus maculatus. It belongs to the tribe Stenolophini, a group of small to medium-sized ground beetles often associated with moist habitats.

  • Stenolophus ochropezus

    Stenolophus ochropezus is a small ground beetle in the family Carabidae, first described by Thomas Say in 1823. It is one of numerous species in the genus Stenolophus, a group commonly known as seedcorn beetles due to their association with agricultural fields and seed predation. The species is documented across North America with substantial observational records.

  • Stenolophus plebejus

    Red-marked Harp Ground Beetle

    Stenolophus plebejus is a small ground beetle in the family Carabidae, commonly known as the Red-marked Harp Ground Beetle. It is native to North America, with records from both the United States and Canada. The species belongs to the genus Stenolophus, a group of beetles often associated with moist habitats and frequently encountered in blacklighting surveys.

  • Stenolophus rugicollis

    Stenolophus rugicollis is a ground beetle in the family Carabidae, described by LeConte in 1859. The genus Stenolophus comprises small, often abundant beetles commonly known as seedcorn beetles due to their frequent occurrence in agricultural fields. Species in this genus are typically spring-active and readily attracted to lights at night. Stenolophus rugicollis is recorded from the United States.

  • Stenomorpha obliterata

    Stenomorpha obliterata is a species of darkling beetle in the family Tenebrionidae, described by Champion in 1892. It is a small to medium-sized beetle native to Mexico. The genus Stenomorpha comprises numerous species of ground-dwelling tenebrionids, many of which are poorly studied and difficult to identify without examination of genitalia or other fine structural characters.

  • Stenomorphus californicus

    Plains Oar-necked Carabid

    Stenomorphus californicus is a species of ground beetle in the family Carabidae. It occurs in North America, with records from the United States, Mexico, and Hispaniola. The species was first described by Ménétriés in 1843 under the basionym Agaosoma californicum. Four subspecies are recognized: S. c. californicus, S. c. darlingtoni, S. c. manni, and S. c. rufipes.

  • Stenomorphus californicus rufipes

    Stenomorphus californicus rufipes is a subspecies of ground beetle in the family Carabidae. It is one of two recognized subspecies of Stenomorphus californicus, differentiated from the nominate subspecies by its rufous (reddish) legs. The species complex occurs in western North America, with this subspecies recorded from the southwestern United States and Mexico. Like other members of the genus, it is a small, ground-dwelling beetle associated with terrestrial habitats.

  • Stenomorphus sinaloae

    Stenomorphus sinaloae is a ground beetle in the family Carabidae, described by Darlington in 1936. It belongs to the S. sinaloae species group, which also includes S. penicillatus. The species exhibits allometric trends in prothorax shape and hind tibia proportions, with evolutionary trends associated with burrowing behavior and sexual selection.

  • Stereocerus rubripes

    Stereocerus rubripes is a species of ground beetle in the family Carabidae, characterized by its holarctic distribution spanning Europe, northern Asia, and North America. It inhabits woodland environments and belongs to the subfamily Pterostichinae, a diverse group of predominantly ground-dwelling predatory beetles. The species was first described by Motschulsky in 1860.

  • Stomis termitiformis

    Stomis termitiformis is a species of ground beetle in the family Carabidae, described by Van Dyke in 1926. The specific epithet "termitiformis" suggests a resemblance to termites in form or habit. It is recorded from the western United States and British Columbia, Canada.

  • Syntomus americanus

    Syntomus americanus is a species of ground beetle in the family Carabidae. It was originally described as Dromius americanus by Dejean in 1831. The species belongs to the subfamily Lebiinae and is native to North America. Like other members of the genus Syntomus, it is a small ground beetle, though specific details about its biology and ecology remain limited in published literature.

  • Synuchus dubius

    Synuchus dubius is a ground beetle species in the family Carabidae, described by John Lawrence LeConte in 1854. It belongs to the subfamily Platyninae and tribe Sphodrini. The species is known from the United States and North America. Like other members of the genus Synuchus, it is a ground-dwelling beetle, though specific ecological details remain poorly documented in published literature.

  • Synuchus impunctatus

    Synuchus impunctatus is a ground beetle species in the family Carabidae, described by Thomas Say in 1823. It belongs to the subfamily Platyninae (sometimes referenced as Harpalinae in older literature) and is part of the diverse genus Synuchus, which contains numerous similar-looking species. The species is documented from Canada and the United States.

  • Tachyporus pulchrus

    Tachyporus pulchrus is a small rove beetle (Staphylinidae) described by Blatchley in 1910. It is native to northeastern North America, with documented occurrences in Canada and the United States. Like other members of the genus Tachyporus, it likely occupies moist ground-level habitats. The species remains poorly documented in scientific literature.

  • Tachyporus transversalis

    Tachyporus transversalis is a small rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is a predatory species native to Europe and parts of Asia, with introduced populations in North America. Like other members of its genus, it inhabits moist ground-level habitats and contributes to natural pest control in agricultural and natural ecosystems.

  • Tachys austinicus

    Tachys austinicus is a small ground beetle in the family Carabidae, first described by Casey in 1918. It belongs to the large genus Tachys, which comprises numerous diminutive carabid beetles often associated with moist habitats. The species was originally described under the genus Paratachys, which is now treated as a subgenus of Tachys. Like other members of this genus, it is likely to be found in leaf litter, soil, and other ground-level microhabitats, though specific ecological details for this species remain poorly documented.

  • Tachys bradycellinus

    Tachys bradycellinus is a species of ground beetle in the family Carabidae, described by Hayward in 1900. The genus Tachys comprises small, fast-running beetles often found in moist microhabitats. Records indicate this species occurs in the United States and North America. Like other members of the genus, it is likely associated with riparian or wetland edges where it preys on small invertebrates.

  • Tachys columbiensis

    Tachys columbiensis is a species of ground beetle in the family Carabidae, described by Hayward in 1900. It belongs to the genus Tachys, a diverse group of small, fast-running beetles commonly known as 'tachys' or 'minute ground beetles.' The genus is characterized by tiny body size and rapid movement. Records indicate presence in the United States and North America.

  • Tachys corax

    Tachys corax is a species of ground beetle in the family Carabidae. It is a small beetle species distributed across North America, with records from both Canada and the United States. Like other members of the genus Tachys, it belongs to a group of minute carabid beetles often associated with riparian and moist habitats. The species was described by John Lawrence LeConte in 1852.

  • Tachys edax

    Tachys edax is a species of ground beetle in the family Carabidae, first described by LeConte in 1852. It belongs to the genus Tachys, a group of small, fast-running beetles commonly known as tiger beetles or ground beetles. The species is recorded from North America, specifically Canada and the United States. Like other members of Carabidae, it is likely a predatory beetle, though specific ecological details for this species remain poorly documented.

  • Tachys halophilus

    Tachys halophilus is a species of ground beetle in the family Carabidae, described by Lindroth in 1966. The genus Tachys comprises small, fast-moving beetles often associated with moist or saline habitats. The specific epithet 'halophilus' suggests an affinity for salt-tolerant environments. The species has been recorded in Canada and the United States.

  • Tachys mordax

    Tachys mordax is a small ground beetle in the family Carabidae, described by John Lawrence LeConte in 1852. The genus Tachys comprises diminutive, fast-running beetles commonly known as 'tiger beetles' or ground beetles, though Tachys species are typically smaller and less conspicuous than the classic tiger beetles of genus Cicindela. Like other members of its genus, T. mordax is likely adapted to open, sandy or disturbed habitats where it actively pursues small invertebrate prey. The species is recorded from the United States and is part of the diverse North American carabid fauna, though specific ecological details remain poorly documented in published literature.

  • Tachys pallidus

    Tachys pallidus is a small ground beetle in the family Carabidae, subfamily Trechinae. The species is documented from North America, with observation records from the United States. Like other members of the genus Tachys, it likely inhabits moist ground-level microhabitats. Taxonomic authority has been attributed to both Chaudoir (1868) and Reitter (1884), with the former currently accepted.

  • Tachys potomaca

    Tachys potomaca is a species of ground beetle in the family Carabidae, described by Erwin in 1981. It belongs to the tribe Bembidiini within the subfamily Trechinae. The species has been recorded in the United States, with distribution data indicating presence in North America. It was originally described under the genus Paratachys, which is now treated as a synonym or subgenus of Tachys. Like other members of the genus, it is likely a small, fast-running beetle associated with ground habitats.

  • Tachys proximus

    Tachys proximus is a small ground beetle in the family Carabidae. The genus Tachys contains numerous diminutive species often referred to as 'tiger beetles' or 'ant-like beetles' due to their small size and rapid movements. T. proximus occurs across North America and into Central America. Like other members of its genus, it is likely associated with moist microhabitats where it actively hunts small invertebrate prey.

  • Tachys pumilus

    Tachys pumilus is a species of ground beetle in the family Carabidae. It is distributed across North America, Central America, and the Caribbean. The genus Tachys contains numerous small, fast-running ground beetle species, though specific biological details for T. pumilus remain poorly documented in published literature.

  • Tachys rhodeanus

    Tachys rhodeanus is a species of ground beetle in the family Carabidae. It is found in North America. The species was described by Casey in 1918.

  • Tachys scitulus

    Tachys scitulus is a species of ground beetle in the family Carabidae, first described by LeConte in 1848. The species is distributed across North America and the Caribbean region. Like other members of the genus Tachys, it belongs to a group of small, fast-running ground beetles often associated with moist habitats. Beyond basic taxonomic and distribution data, detailed biological information for this specific species remains limited in published sources.

  • Tachys ventricosus

    Tachys ventricosus is a species of ground beetle in the family Carabidae, described by LeConte in 1863. It belongs to the large genus Tachys, which comprises small, often difficult-to-identify beetles commonly known as "tachys" or "tachys beetles." The species is recorded from the United States, with distribution data indicating presence in North America. As with many members of this genus, detailed biological information is limited in available sources.

  • Tachys vittiger

    Tachys vittiger is a species of ground beetle in the family Carabidae. It is a small, fast-running beetle found in North America, with records from Canada, the United States, and extending south to Guatemala and the Galapagos Islands. Like other members of the genus Tachys, it is typically associated with moist habitats near water bodies. The species was described by John Lawrence LeConte in 1852.

  • Tachyta angulata

    Tachyta angulata is a small ground beetle in the family Carabidae, first described by Casey in 1918. It is known to occur in North America, with records from Canada, Mexico, and the United States. Like other members of the genus Tachyta, this species is likely associated with moist or wetland habitats, though specific ecological details remain poorly documented.

  • Tachyta falli

    Tachyta falli is a small ground beetle species in the family Carabidae, first described by Hayward in 1900. It belongs to the tribe Bembidiini within the subfamily Trechinae. The species is known from North America, with records from both the United States and Canada. Like other members of its genus, it is likely associated with moist or riparian habitats, though specific ecological details remain poorly documented.

  • Tanystoma cuyama

    Tanystoma cuyama is a species of ground beetle in the family Carabidae, described by Liebherr in 1985. The species is endemic to a restricted range in California, USA, specifically associated with the Cuyama Valley region from which it takes its specific epithet. It belongs to the subfamily Platyninae, a group of carabid beetles often associated with riparian and moist habitats. The species is known from limited collection records and iNaturalist observations, indicating it is either genuinely rare or undercollected.

  • Tanystoma striatum

    Tanystoma striatum is a species of ground beetle in the family Carabidae, first described by Dejean in 1828. It belongs to the subfamily Platyninae and is found in North America. The specific epithet 'striatum' refers to striations or grooves, likely describing a characteristic of the elytra. Available information on this species is limited.

  • Tecnophilus pilatei

    Tecnophilus pilatei is a ground beetle in the family Carabidae, first described by Chaudoir in 1877. It belongs to the subfamily Lebiinae and tribe Lebiini. The species is known from the southwestern United States. Like other members of its genus, it is likely a nocturnal predator adapted to arid or semi-arid environments, though specific ecological details remain poorly documented.

  • Tetragonoderus intersectus

    Tetragonoderus intersectus is a ground beetle in the family Carabidae, first described by Ernst Friedrich Germar in 1824. The species is recorded from North America, with confirmed observations in the United States. It is known to feed on vegetable leaves including cabbage and beet. As a member of the tribe Lebiini, it belongs to a diverse group of small to medium-sized carabid beetles often associated with vegetation.

  • Tetragonoderus laevigatus

    Tetragonoderus laevigatus is a small ground beetle in the family Carabidae, first described by Chaudoir in 1876. The species is native to South America but has been introduced to the southeastern United States, where it has been recorded in Florida, Georgia, Mississippi, and Louisiana. It belongs to the tribe Lebiini, a diverse group of carabid beetles often associated with vegetation and ground-dwelling habitats.

  • Tetragonoderus pallidus

    Tetragonoderus pallidus is a species of ground beetle in the family Carabidae, first described by George Henry Horn in 1868. The species is endemic to the Sonoran Desert region, occurring in the southwestern United States and northwestern Mexico. Records indicate presence in Arizona, California, and Mexico. As a member of the genus Tetragonoderus, it belongs to a group of small carabid beetles, though specific morphological and ecological details for this species remain limited in the available literature.

  • Tetraleucus

    Tetraleucus is a monotypic genus of ground beetles in the family Carabidae, containing only the species Tetraleucus picticornis. The genus was described by Thomas Lincoln Casey Jr. in 1920. It is known from North America, with records from the northeastern United States including Vermont.