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Genus Bembidion

oil-film ground beetle - Bembidion Ground beetle - Bembidion rapidum Bembidion haruspex Bembidion mckinleyi carneum (Lindroth) - Bembidion mckinleyi Bembidion (Notaphus) patruele Dejean, 1831  - Bembidion patruele Ground beetle - Bembidion planatum Ground beetle - Bembidion salebratum Bembidon affine? - Bembidion
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Trechinae
Tribe Bembidiini
Subtribe Bembidiina
Genus Bembidion
Synonyms and other taxonomic changes
Amerizus is now treated as a separate genus(1)
Within Bembidion, there are three major well-supported clades: the Bembidion, Odontium, and Ocydromus Series(2)
Explanation of Names
Bembidion Latreille 1802
Numbers
>250 spp. in our area (incl. 8 adventive) arranged in 37 subgenera and species-groups, over 1200 spp. in >100 subgenera & species-groups worldwide(1); profiles of a number of spp. not yet in the Guide can be found in(3)
Subgenera not yet in the Guide, per(1):
Actedium (B. lachnophoroides) Whitefox River drainage (SK-AB)
Emphanes 2 western spp. (east to MB-NE)
Lindrochthus (B. wickhami) OR-CA (Cascade Range, Coast Ranges, Sierra Nevada)
Size
2-8 mm
Range
Worldwide, ~75% of the species in the Northern Hemisphere(1)
Habitat
Prefer open, wet habitats. Highest diversity on river banks.
Remarks
Adults of most spp. are active in daylight(4)
See Also
Tetragonoderus --superficially similar
Internet References
Genus page on ToL