Selenophorus ellipticus
Dejean, 1829
Selenophorus ellipticus is a ground beetle in the Carabidae, first described by Dejean in 1829. It belongs to the Selenophorus, a group of ground beetles commonly known as seedcorn beetles. The species has been documented across North America with presence records in Canada, the United States, and Mexico. Like other members of its genus, it is presumed to be nocturnal and associated with soil .
Pronunciation
How to pronounce Selenophorus ellipticus: /ˌseː.leˈnoː.pʰɔ.rʊs ɛlˈlɪp.tɪ.kʊs/
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Identification
Selenophorus ellipticus can be distinguished from other Selenophorus by its elliptical body shape, as reflected in its specific epithet. Species in this generally exhibit a convex, somewhat flattened body form with prominent adapted for activity. Accurate identification to species level typically requires examination of male genitalia and comparison with .
Distribution
Documented from Canada, the United States, and Mexico. GBIF records confirm presence across North America.
Behavior
Members of the Selenophorus are , emerging from soil burrows at night to forage. This behavioral pattern is presumed for S. ellipticus based on genus-level characteristics.
Similar Taxa
- Selenophorus speciesOther congeneric share similar body plans and habits; S. ellipticus is distinguished by its elliptical body outline and specific male genitalia .
- Other Harpalinae ground beetlesSimilar general ground beetle ; Selenophorus are distinguished by their , prominent , and association with agricultural soils.
More Details
Taxonomic history
First described by Pierre François Marie Auguste Dejean in 1829. The Selenophorus currently contains approximately 140 worldwide, with the majority distributed in the Americas.
Observation data
iNaturalist records indicate limited observation frequency (6 observations as of data retrieval), suggesting either cryptic habits, restricted activity periods, or genuinely low densities in sampled areas.