133. Autalia rivularis (Gravenhorst) †

(Illustrations in Klimaszewski et al. 2020), Table 1

References. Gravenhorst 1802. Hoebeke 1988. Assing 1997. Smetana 2004. Klimaszewski et al. 2005a, 2011, 2016, 2018, 2020. Majka and Klimaszewski 2008.

Distribution. Palearctic, adventive in Nearctic. Canada: AB, BC, LB, NB, NF, NS, ON, QC, SK. USA: CA, DE (NSR), ME, MI, MN, NH, NJ, NY, OR, PA, VT.

Collection and Habitat data. The NH specimens were found in maple litter along a stream in a forest, old river drift, cow manure, and pig dung in a bog; also captured by FITs. Collected from May to October. The DE specimen was captured in a rotting hardwood log in November. Elsewhere found in mixed forests, hardwood woodland, red spruce regenerating forest, coastal shrubby barrens, and pastures; in NB adults were abundant in horse dung in a pasture; also found in decaying mushrooms, and in drift material on a lakeshore; flying adults collected late in the afternoon by sweeping with a butterfly net; also in leaf litter, compost piles, cow droppings, and other decomposing organic matter (Klimaszewski et al. 2018).

Material. USA, Delaware, Newcastle Co.: Univ. Delaware campus, Newark, 18.XI.1988, R.M. Reeves, sift hardwood log, 1 sex? New Hampshire, Carroll Co.: The Bowl, 2.5 mi NW Wonalancet , 18–23.VII.1985, 1 sex?; 18.IX–1.X.1985, D.S. Chandler, FITrap, 1 sex? Grafton Co.: Bedell Bridge St. Park @ Oliverian Brook, 7.VI.1992, D.S. Chandler, berlese old river drift, 1 sex?; 3.VII.1992, D.S. Chandler, berlese maple litter along stream in forest, 1 female, 4 sex? Rockingham Co.: 2 mi NE Brentwood, 13–19.VI.1989, G.M. Fortier, FIT, 1 sex? Hampton, 27.VII.1965, cow manure, 1 sex? Strafford Co.: Durham, 9.V.1963, R.L. Blickle, 1 sex ?; 29.VII.1963, W.J. Morse, 1 sex? Spruce Hole, 3 mi SW Durham , 6.VIII.1986, S.C. Sherman, pig dung in bog, 1 female.