Atheta (Dimetrota) remulsa Casey, 1910

Klimaszewski, Jan, Chandler, Donald S., Davies, Anthony & Bourdon, Caroline, 2023, Aleocharine rove beetles of New Hampshire, USA: new taxa and new records (Coleoptera, Staphylinidae, Aleocharinae), Zootaxa 5364 (1), pp. 1-141 : 39

66. Atheta (Dimetrota) remulsa Casey

(Illustrations in Klimaszewski et al. 2018, 2021), Table 1

References. Casey 1910, Klimaszewski et al. 2005a, 2007, 2018, 2021. Majka and Klimaszewski 2008.

Distribution. Nearctic, transcontinental in Canada, recorded from A/S ( Klimaszewski et al. 2021). Canada: AB, BC, LB, MB, NB, NF, NS, ON, QC, SK, YT. USA: AK, NH (NSR), NY.

Collection and Habitat data. In NH captured in Fagus litter beside logs, alder and grass litter, litter by stream, and in a mass of mushrooms on a large stump. In AK found in a Betula and Populus tremuloides forest , and in mushrooms. In Canada found in various forest types, usually in mushrooms. Most individuals were in gilled mushrooms and fleshy fungi in various stages of decay; also, in leaf litter and moss, and in a Carex marsh ( Klimaszewski et al. 2021).

Material. USA, New Hampshire, Carroll Co.: 1 mi N Wonalancet, E Fork Spring Brk. , 1900’, 18–21.VII.1985, D.S. Chandler, fl. intercept trap, 1 female . The Bowl, 2.5 mi NW Wonalancet , 8–14.VIII.1984, D.S. Chandler, window trap, 1 female . 6 mi NW Bartlett, Nancy Brook Trail , 1500’, 9.IX.1987, A. Davies, sifting Fagus litter beside logs ( CNC), 1 sex? Coos Co.: 8 mi E Gorham , 800’, 14.VIII.1976, J.M. and B.A. Campbell ( CNC) , 6 sex?; 15.VIII.1976, J.M. and B.A. Campbell ( CNC), 2 sex? White Mts., Crawford Notch, Silver Cascade, 17.VIII.1976, J.M. Campbell ( CNC), 6 sex? 2 mi NE Crawford Depot , 2100’, 13.IX.1987, J.M. Campbell and A. Davies, ex mass of mushrooms on large stump ( CNC), 4 sex? 17 km S Gorham, Glen Ellis Falls , 1900’, 8.IX.1987, J.M. Campbell and A. Davies, sifting litter by stream ( CNC), 7 sex? Hwy. 33, Second Connecticut Lake , 23.V.1982, D.S. Chandler, sift alder and grass litter, 1 male . Mt. Washington Auto Road , 2700’, 7.VIII.1982, D.S. Chandler, sift litter along stream, 1 male .