Synonyms and other taxonomic changes
Leptomus Casey, 1914
Megomus Casey, 1914
Explanation of Names
Probably from Greek omos (ωμος)- "raw, crude" or "savage, fierce, cruel"
Five species cited in American Beetles(1)
, but true number of species not yet agreed on. Genus is currently under study.
Currently thought to be just 5-15 species and varying numbers of indistinct subspecies. (2)
More than 100 species and subspecies have been described, but this is the least well known genus of all North American Tiger Beetles...(2)
(includes those listed in (2)
plus laevis and sequoiarum, certainly more will be added)
van den Berghe
ID is problematic, genus needs revision.
Western North America, from southern British Columbia to southern California. (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. (1)
Life cycle of most species apparently three or more years. (2)
Members of this genus are flightless and primarily nocturnal or crepuscular (1)(2)
Leffler, S.R. 1985. Omus submetallicus G. Horn: historical perspective, systematic position, type locality, and habitat. Cicindela, 17: 37-50.
Knisley, C. B. and R. D. Haines. 2010. Distribution and conservation status of Omus submetallicus G. Horn and its confusion with Omus californicus lecontei G. Horn (Coleoptera: Carabidae). Coleopterists Bulletin 64: 243-248. (3)
Zoologisches Atlas, v.1, p.4
Eschscholtz' original description of the genus (in German and Latin)