most former nearctic records of O. colon refer to this species; O. colon is currently considered to be native to Eurasia (Kirejtshuk 1987) but both spp. are listed as valid and native to NA in (1)
status of the two needs further study
Explanation of Names
Omosita nearctica Kirejtshuk 1987
Size
2.4-3.7 mm (Kirejtshuk 1987)
Range
e NA, plus scattered w. records - Map (Kirejtshuk 1987)(1)(2)
Habitat
common in anthropogenic habitats and subject to spreading via human agency (Kirejtshuk 1987)
Remarks
there are confirmed specimens of true O. colon from ON (Kirejtshuk 1987) and across Canada(1)
Print References
Kirejtshuk A.G. (1987) New taxa of nitidulid beetles (Coleoptera, Nitidulidae) of eastern hemisphere (Part 1). Omosita nearctica sp. n., vicariant of Palaearctic O. colon (L.). Tr. ZIN AN SSSR 164: 63-94 (Full text, in Russian)