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Genus Omus - Night-stalking Tiger Beetles

Flightless Tiger Beetle (Omus audouini)? - Omus audouini - male Omus audouini? - Omus audouini - female Omus audouini? - Omus audouini - female dejeanii? - Omus dejeanii Black Beetle - Omus audouini - male Omus californicus intermedius - Omus californicus Carabidae - Omus dejeanii - Omus dejeanii Bettle - Omus
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 Cicindelinae (Tiger Beetles)
Tribe Amblycheilini
Genus Omus (Night-stalking Tiger Beetles)
Synonyms and other taxonomic changes
Genus is currently under study
Explanation of Names
Omus Eschscholtz 1829
Probably from Greek omos (ωμος) 'fierce, cruel'
Numbers
5-15 spp. recognized by various workers, and varying numbers of indistinct subspecies(1); just 5 spp. treated in(1)
Species in BG:
O. audouini Reiche
O. cazieri van den Berghe
O. dejeanii Reiche
O. laevis LeConte
Size
12-21 mm(1)
Range
Western North America (so.BC-CA)(1)(2)
Habitat
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
Life cycle of most species apparently 3 or more years(1)
Remarks
flightless; primarily nocturnal (occasionally active on overcast days)(1)
Works Cited
1.A field guide to the tiger beetles of the United States and Canada: identification, natural history, and distribution... 2nd Ed.
Pearson D.L., Knisley C.B., Duran D.P., Kazilek C.J. 2015. Oxford University Press. 328 pp.
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.