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Genus Trachypachus

Trachypachidae - Trachypachus holmbergi - Trachypachus inermis Trachypachidae - Trachypachus holmbergi - Trachypachus inermis Trachypachus holmbergi - Trachypachus inermis Shiny Ground Beetle - Trachypachus Trachypachus holmbergi - Trachypachus inermis Trachypachus inermis Trachypachus inermis False Ground Beetle - Trachypachus inermis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Trachypachidae (False Ground Beetles)
Genus Trachypachus
Explanation of Names
Trachypachus Motschulsky 1844
Numbers
3 spp. in our area, 4 total(1)
T. gibbsii LeConte
T. inermis Motschulsky (until recently(1) considered T. holmbergi)
T. slevini Van Dyke -- w.OR-WA(2)
Size
3.8-7 mm(2)
Identification
descriptions of nearctic ssp. in(2) (key not provided)
Range
holarctic: n. Eurasia & w. NA (AK-CA to MT-CO)(1)
Habitat
forested areas, in leaf litter(3)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.The ground-beetles (Carabidae, excl. Cicindelinae) of Canada and Alaska, parts 1—6
C.H. Lindroth. 1961. Opuscula Entomologica Supplementa XX, XXIV, XXIX, XXXIII, XXXIV, XXXV.
3.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.