Atheta (Dimetrota) districta Casey, 1911

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 : 13

Atheta (Dimetrota) districta Casey

Distribution

Origin	Nearctic
Distribution	Canada: AB, BC, LB, MB, NB, NF, NS, ON, QC, SK. USA: not recorded
New provincial Canada: Manitoba: Adam Lake , 2016-IX-11, 49.0508°N, - 100.0666°W, 689 m, records mushrooms, sifting, B. Godin & D. Horwood ( BGC) 1 male, 2 females ; Birds Hill [Prov. Park] - bur oak [trail], 2016-IX-16, 50.0083°N, 96.9216°W, 264 m, mush- rooms, sifting, B. Godin & D. Horwood ( LFC) 3 males, 3 females ; Katherine Lake , 2016-IX-14, 50.6603°N, 99.8947°W, 652 m, mushrooms, sifting, B. Godin & D. Horwood ( BGC) 1 male, 1 female.
References	Casey 1911, Klimaszewski et al. 2018

Collection and habitat data. Habitat (outside of the study area). In NB, in various forest types usually in dung or decaying mushrooms; eastern white cedar swamp in moose dung, mature red spruce and eastern white cedar forest in deer dung, mixed forest in bear dung, in decaying (moldy) corncobs and cornhusks near mixed forest, regenerating mixed forest in decaying mushrooms, near lakeshore in decaying fungi, old jack pine forest in rotten Boletus mushrooms, red maple swamp in leaf litter near stream, in unbaited pitfall traps in red spruce forest, and a few collected at u. v. light . Elsewhere, captured in flight intercept traps and carrion-baited pitfall traps in coniferous and mixed forests (NL) and on coastal barrens (LB); also from spruce litter, and dry and decaying mushrooms. Collecting period. VI–IX. Collecting method. Sifting litter, dung, and fungi, pitfall traps, flight intercept traps.