Atheta (Tetropla) frosti Bernhauer, 1909

CANADA: BRITISH COLUMBIA: Monashee Mountain near Cherryville, 12.VIII. 1982, R. Baranowski, 1,400 -1,600 m, (1m, MZLU) ; 20 km northeast of Creston, 14.VIII.1982, 15.VIII.1982, R. Baranowski, (1m, MZLU; 1f, MZLU; 1f, LFC; 1, LFC) ; 13 km north of Nelway, 20.VIII.1982, 21.VIII.1982, R. Baranowski, (1f, MZLU; 1m, LFC; 1f, LFC) ; near Mabel Lake at Squaw Valley, 5.VIII.1982, 6.VIII.1982, R. Baranowski, (3f, MZLU; 2m, MZLU; 2, LFC) . NOVA SCOTIA: Cape Breton Co.: George’s River, 8.X.1995, D.B. McCorquodale, (1, CBU) ; Halifax Co.: Point Pleasant Park, 21.IX.2001, C.G. Majka, coniferous forest, on Tyromyces sp. polypore, (1, CGMC) ; Lunenburg Co.: Bridgewater, 1.VII.1965, 1-16.VII.1965, B. Wright, red oak forest, pitfall trap, (9, NSMC) ; Queens Co.: Kejimkujik National Park, 11.IX.2001, B. Wright, deciduous forest, pitfall trap, (1, NSMC) . ONTARIO: Carleton Co.: Mer Bleue, 16.IX.1980, R. Baranowski, (1f, MZLU) ; Nippising Co.: Algonquin Provincial Park near Brent, 20.VIII.1980, R. Baranowski, (2m, MZLU) . QUÉBEC: Hull, Gatineau Park, near Ramsey Lake, 17.VIII.1980, R. Baranowski, (2m, MZLU; 1f, MZLU) .

Atheta frosti is newly recorded in British Columbia, Nova Scotia, Ontario, and Québec. In Nova Scotia it has been found in both coniferous and deciduous forests and once on a Tyromyces sp. polypore.