Bembidion carinula
Chaudoir, 1868
Sand-loving Bembidion Beetle
Bembidion carinula is a of ground beetle in the Carabidae, first described by Chaudoir in 1868. It belongs to the large Bembidion, which comprises small to medium-sized predatory beetles commonly found in diverse . The species is documented from North America, with records from Alaska, Canada, and the contiguous United States. Like other Bembidion species, it is likely associated with moist ground habitats, though specific ecological details remain poorly documented.
Pronunciation
How to pronounce Bembidion carinula: /bɛmˈbɪdɪɔn ˈkærɪnjʊlə/
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Identification
Identification to level requires examination of genitalia and subtle external characters; the small carina referenced in the specific epithet may aid in distinguishing this species from . Specimens should be compared with identified material in reference collections or determined using specialized keys to North American Bembidion.
Appearance
Small ground beetle, typical of the Bembidion. Members of this genus generally have compact, somewhat flattened bodies with and relatively long legs adapted for rapid running. The specific epithet "carinula" refers to a small ridge or carina, suggesting the presence of a subtle ridge on some body segment, though this has not been formally described in accessible literature.
Habitat
Specific preferences are not well documented. The "Sand-loving Bembidion " suggests association with sandy substrates, likely in moist or riparian situations. Most Bembidion occupy ground-level microhabitats including stream margins, lake shores, and moist soil surfaces.
Distribution
Documented from North America including Alaska, Canada, and the United States. GBIF records indicate presence across northern and western portions of the continent.
Similar Taxa
- Other Bembidion speciesNumerous share general habitus and preferences; reliable separation requires detailed morphological examination including male genitalia.
More Details
Etymology
The specific epithet "carinula" is a diminutive of "carina," referring to a small ridge or keel on the . This likely describes a subtle morphological feature used in the original description.