Synonyms and other taxonomic changes
Genus is currently under study
Explanation of Names
Probably from Greek omos (ωμος) 'fierce, cruel'
5-15 spp. recognized by various workers, and varying numbers of indistinct subspecies(1)
; just 5 spp. treated in(1)
Species in BG:
van den Berghe
Western North America (so.BC-CA)(1)(2)
Usually found in the transition zone between forests and meadows. During the day these beetles are found under leaf litter and in or under fallen tree trunks.
Under cover in fields and open forests during the day.(2)
Life cycle of most species apparently 3 or more years(1)
flightless; primarily nocturnal (occasionally active on overcast days)(1)