Atheta (Dimetrota) hampshirensis Bernhauer, 1909

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 : 14-15

Atheta (Dimetrota) hampshirensis Bernhauer

Distribution

Origin	Nearctic
Distribution Canada: AB, BC, LB, MB, NB, NF, NS, ON, QC. USA: AK, CA, NC, NH, NY, OR, PA, RI, WA
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) 3 males ; Hecla , 2016-IX-17, 51.7849°N, 96.6152°W, 218 m, mushroom, sifting, B. Godin & D. Horwood ( BGC) 1 female ; Georges Creek , 2016-IX-15, 50.6729°N, 99.6212°W, 696 m, mushrooms, sift- ing, B. Godin & D. Horwood ( BGC) 1 male ; Katherine Lake , 2016-IX-14, 50.6603°N, 99.8947°W, 652 m, mushrooms, sifting, B. Godin & D. Horwood ( BGC) 1 male, 1 female ; Birds Hill [Prov. Park] - bur oak [trail], 2016-IX-16, 50.0083°N, 96.9216°W, 264 m, mushrooms, sifting, B. Godin & D. Horwood ( LFC) 4 males, 3 females .
References	Bernhauer 1909, Klimaszewski et al. 2018

Collection and habitat data. Habitat (outside of the study area). It occurs in various coniferous, mixed, and hardwood forests, usually in decaying organic materials such as rotting fungi, dung, and carrion; in NB, specimens from black spruce forest on gilled mushrooms, jack pine forest in decaying mushrooms, from pitfall traps in red spruce forest, old-growth hemlock forest in decaying bracket fungi (polypore), various mixed forests in gilled mushrooms and decaying fleshy and gilled mushrooms in various stages of decay, in decaying corncobs and cornhusks near mixed forest, alder swamp on remains of dead deer, rich Appalachian hardwood forest in fleshy fungi of various stages of decay, some from leaf litter and scat under great horned owl nest in hardwood forest; in NS, in compost, carrion, and mushrooms in coniferous and deciduous forests and open habitats. In NL, captured in carrion traps and flight intercept traps in mixed and coniferous forests. Collecting period. V-IX. Collecting method. sifting fungi and litter, unbaited and carrion-baited pitfall traps, flight intercept traps.