Atheta (Dimetrota) crenuliventris Bernhauer, 1907

Klimaszewski, Jan, Godin, Benoit, Davies, Anthony, Bourdon, Caroline & Horwood, Denise, 2018, Forty new records of aleocharine beetles, and two new species in the genera Acrotona Thomson and Atheta Thomson, for the province of Manitoba, Canada (Coleoptera: Staphylinidae: Aleocharinae), Insecta Mundi 2018 (641), pp. 1-33 : 12-13

Atheta (Dimetrota) crenuliventris Bernhauer

Distribution

Origin	Nearctic
Distribution	Canada: LB, MB, NB, NF, ON, QC, SK. USA: ME
New provincial record	Canada: Manitoba: Katherine Lake, 2016-IX-14, 50.6603°N, 99.8947°W, 652 m, mushrooms, sifting, B. Godin & D. Horwood ( BGC) 1 male.
References	Bernhauer 1907, Klimaszewski et al. 2018

Collection and habitat data. Habitat (outside of the study area). In NB, found in various forested and open habitats, often in decaying organic materials; in compost near mixed forest, in dung in entrance to fox den in a pasture, in decaying sea wrack on sea beach, under dung on margin of lake, in litter of roof of an abandoned beaver lodge occupied by muskrats, in decaying moist litter in Carex marsh, and from unbaited pitfall traps in a red spruce forest. In SK, in compost, wrack on lakeshore; in NF, captured in carrion-baited pitfall traps and flight intercept traps in conifer-dominated and mixed forests and on coastal barrens in LB. Collecting period. IV–IX. Collecting method. Sifting litter, pitfall traps, flight intercept traps.