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Genus Opisthius

Opisthius richardsoni Opisthius richardsoni 2 - Opisthius richardsoni Opisthius richardsoni mating pair - Opisthius richardsoni - male - female Opisthius richardsoni Opisthius richardsoni B - Opisthius richardsoni Opisthius	richardsoni - Opisthius richardsoni river ground beetle - Opisthius richardsoni
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 Nebriinae
Tribe Opisthiini
Genus Opisthius
Explanation of Names
Opisthius Kirby 1837
Numbers
monotypic genus
Range
w. NA(1)
Habitat
along stream margins on sandy-clay soil(2)
See Also
Elaphrus are quite similar
Works Cited
1.Catalogue of the Geadephaga (Coleoptera: Trachypachidae, Rhysodidae, Carabidae including Cicindelini) of America north of Mexico
Y. Bousquet and A. Larochelle. 1993. Memoirs of the Entomological Society of Canada, 125: 1-397.
2.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.