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) Author Klimaszewski, Jan Resources Canada, Canadian Forest Service, Laurentian Forestry 1055 du P. E. P. S., P. O. Box 10380 Stn. Sainte-Foy, Québec, Quebec, Canada G 1 V 4 C 7 jan. klimaszewski @ canada. ca Author Godin, Benoit 14 A Thompson Whitehorse, Yukon, Canada Y 1 A 0 C 4 Author Davies, Anthony Canadian National Collection of Insects, Arachnids and Nematodes Agriculture and Agri-Food Canada Ottawa, Ontario, Canada K 1 A 0 C 6 Author Bourdon, Caroline Resources Canada, Canadian Forest Service, Laurentian Forestry 1055 du P. E. P. S., P. O. Box 10380 Stn. Sainte-Foy, Québec, Quebec, Canada G 1 V 4 C 7 Author Horwood, Denise 14 A Thompson Whitehorse, Yukon, Canada Y 1 A 0 C 4 text Insecta Mundi 2018 2018-07-27 2018 641 1 33 journal article 10.5281/zenodo.5173990 1942-1354 5173990 9415B2C5-9166-4014-985F-7955E72805D2 Atheta ( Tetropla ) frosti Bernhauer Distribution

Origin	Nearctic
Distribution Canada : BC, LB , MB , NB , NS , ON, QC , SK. USA : MA, NC, NH, NY, PA, RI, VT, WV
New provincial Canada : Manitoba : Betula Lake, 2016-IX-20 , 50.0667°N , 95.5887°W , 306 m , records mushrooms, sifting, B. Godin & D. Horwood ( BGC ) 4 males , 2 females ; Katherine Lake , 2016-IX-14 , 50.6603°N , 99.8947°W , 652 m , mushrooms, sifting, B. Godin & D. Horwood ( BGC ) 5 males , 2 females ; Max Lake , 2016-IX-10 , 49.0714°N , 100.1384°W , 686 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 ( BGC ) 4 males , 2 females ; Hecla , 2016-IX-17 , 51.7849°N , 96.6152°W , 218 m , mushroom, sifting, B. Godin & D. Horwood ( LFC ) 3 males , 3 females ; Adam Lake , 2016-IX-11 , 49.0508°N , 100.0666W ˚, 689 m , mushrooms, sifting, B. Godin & D. Horwood ( LFC ) 7 males , 5 females ; West Lake , 2016-IX-20 , 49.7468°N , 95.2098°W , 341 m , mushrooms, sifting, B. Godin & D. Horwood ( LFC ) 1 male , 1 female ; Moose Lake , 2016-IX-19 , 49.2018°N , 95.3423°W , 353 m , mushroom, sifting, B. Godin & D. Horwood ( LFC ) 1 male , 1 female .
References	Bernhauer 1909 , Klimaszewski et al. 2018

Collection and habitat data. Habitat (outside of the study area). In NB, in various coniferous, mixed, and hardwood forests in decaying fungi where it is often common; white pine and spruce forest in decaying mushrooms, old-growth eastern hemlock forest in decaying mushrooms, red spruce and eastern white cedar forest in decaying mushrooms, red pine forest in decaying mushrooms, jack pine forest in decaying mushrooms, mixed forests in decaying mushrooms, red oak forest in gilled mushrooms, rich Appalachian hardwood forest in decaying/rotten fleshy fungi; one from pitfall trap in red spruce forest and some in decaying (moldy) corncobs and cornhusks near a mixed forest. Elsewhere, from pitfall traps in open spruce forest with sandy soil and Cladina lichen cover (LB), birch-dominated forests (QC), in polypore fungus in coniferous forest, and on forest floor in red oak and deciduous forests (NS). Collecting period . VII–X. Collecting method . Sifting fungi and forest litter, pitfall traps.