Atheta (Microdota) pennsylvanica Bernhauer, 1907

CANADA: NOVA SCOTIA: Annapolis Co.: Big Dam Lake, Kejimkujik National Park, 12-22.VIII.2004, 27.VI-7.VII.2004, 18.IX-2.X.2004, H. Love, hem-lock forest, pitfall trap, (13, DAL); Channel Lake, Kejimkujik National Park, 1222.VIII.2004, 25.VI-5.VII.2004, 18.IX-2.X.2004, H. Love, maple/oak/birch forest, pitfall trap, (9, DAL) ; Antigonish Co.: Pomquet, IV.1996, R.F. Lauff, leaf litter, (1, STFX) ; Cape Breton Co.: Sydney (CBU campus), 15.IX.1990, 4.IX.1996, D.B. McCorquodale, (3, CBU) ; Scatarie Island, 15.VII.2006, A. MacDonald, in Boletus sp. fungus, (1, CBU) ; Digby Co.: Brier Island, Gull Rock Rd., 24.VI.2003, J. Ogden & K. Goodwin, forest, pitfall trap, (1, JOC) ; Halifax Co.: Big St. Margarets Bay, 1-16.VII.1997, D.J. Bishop, old-growth red spruce forest, flight-intercept trap, (1, NSMC) ; Burnside, 15.VIII.2003, C. Cormier, on decomposing pig, (1, SMU) ; Waverley, 14.V.1965, 8.VI.1965, B. Wright, red oak forest, window trap, (2, NSMC) ; Hants Co.: Armstrong Lake, 15-30.VI.1997, D.J. Bishop, 75 year old red spruce forest, flight-intercept trap, (1, NSMC) ; Digby Co.: Pebbleloggitch Lake, Kejimkujik National Park, 13-24.VIII.2004, H. Love, maple/oak/birch forest, pitfall trap, (21, DAL) ; Queens Co.: Canning Field, Kejimkujik National Park, 14-23.VIII.2004, 26.VI-6.VI.2004, H. Love, hemlock forest, pitfall trap, (34, DAL) ; North Cranberry Lake, Kejimkujik National Park, 28.VI-8.VII.2004, 13-24. VIII.2004, H. Love, hemlock forest, pitfall trap, (2, DAL) ; Cobreille Lake, Kejimkujik National Park, 27.VI-6.VII.2004, 13-24.VIII.2004, H. Love, maple/oak/birch forest, pitfall trap, (13, DAL) ; Kejimkujik National Park, 24.VIII.1994, 7.IX.1994, 2.X.1994, 5.IX.2001, 29.IX.2001, 13-28.VII.1994, 28.VII-11.VIII.1994, 26.IX-19.X.1994, B. Wright, hemlock forest, leaf litter, (8, NSMC) ; Victoria Co.: Still Brook, 17.VIII.2007, L. Stepanovic, fen, pitfall trap, (1, CGMC) .

Atheta pennsylvanica is newly recorded in Nova Scotia. In Nova Scotia it has been found in both coniferous and deciduous forests in leaf litter. One specimen was found on a Boletus sp. fungus and another on carrion.