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Genus Brychius

Brychius hornii Crotch - Brychius hornii Brychius pacificus Carr - Brychius pacificus Brychius Brychius
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Haliplidae (Crawling Water Beetles)
Genus Brychius
3 recognized Nearctic spp., 5 spp. total (Mousseau, 2007)
Pronotum parallel-sided, at least for some distance from the base.
In the Nearctic, 2 spp. in western North America (B. hornii & B. pacificus), 1 sp. (B. hungerfordi) restricted to MI & ON (Mousseau, 2007) where it is listed as an endangered species.
lotic, in erosional portions of streams.
Print References
Mousseau, T. 2007. Taxonomy, Classification, Reconstructed Phylogeny & Biogeography of Nearctic Species of Brychius Thomson (Coleoptera: Haliplidae). The Coleopterists Bulletin 61(3): 351-397.