Atheta (Dimetrota) prudhoensis (Lohse et al., 1990)

Webster, Reginald, Klimaszewski, Jan, Pelletier, Georges & Savard, Karine, 2009, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada. I. Aleocharinae, ZooKeys 22 (22), pp. 171-248 : 225-226

Atheta (Dimetrota) prudhoensis (Lohse et al., 1990)

Fig 44, Map 44

Additional Records. CANADA, New Brunswick, Carleton Co., Meduxnekeag River Valley Nature Preserve, 46.1940°N, 67.6800°W, 15.IX.2004, 14.IX.2005 (1 ♁, 1 ♀, RWC) . Restigouche Co., Mount Carleton Provincial Park, Mount Sagamook , 2000 ft. elev., 47.1112°N, 66.8599°W, 2.IX.2006 (1 ♁, 1 ♀, RWC) . York Co., Charters Settlement , 45.8430°N, 66.7275°W, 25.IX.2004, 6.X.2005 (6 ♁, 6 ♀, RWC) ; Charters Settlement , 45.8286°N, 66.7365°W, 19.IX.2005 (1 ♀, RWC) ; Charters Settlement , 45.8395°N, 66.7391°W, 21.VI.2004, 5.IX.2006 (1 ♁, 1 ♀, RWC) .

Bionomic Notes. Atheta prudhoensis was typically found in decaying gilled mushrooms in mixed forests in New Brunswick. A few adults were also found in compost (decaying vegetables and decaying corncobs and cornhusks). Majka and Klimaszewski (2008b) reported A. prudhoensis from Russula viresens (gilled mushroom) in a white spruce forest. Gusarov (2003) found this species in litter in a mixed forest in Vermont.

Map 44. Collection localities in New Brunswick, Canada of Atheta prudhoensis .

Adults were collected during June, September, and October in New Brunswick. Collection method: sifting.

Distribution in Canada and Alaska. AK, YT, ON, QC, NB, NS (Lohse et al. 1990; Gusarov 2003; Majka and Klimaszewski 2008b). Atheta prudhoensis was first recorded from New Brunswick by Majka and Klimaszewski (2008b) from a specimen collected at Mary’s Point (Albert Co.). Th e above records indicate that this species is probably widespread in the province.