154. Gyrophaena flavicornis Melsheimer

(Illustrations in Seevers 1951, Klimaszewski et al. 2018), Table 1

References. Melsheimer 1844. Seevers 1951. Klimaszewski et al. 2009c, 2018.

Distribution. Nearctic. Canada: MB, NB, NS, ON, QC. USA: CT, DC, IL, IN, KY, MA, MD, ME, MI, NC, NH, NJ, NY, PA, RI, TN, VA, VT, WI, WV.

Collection and Habitat data. The NH and ME specimens were captured by flight intercept and window traps in forests, and in forest litter, in a mass of mushrooms on a large stump, and in Russula mushrooms. Collected from May to October in NH. In Canada found in hardwood and mixed forests; in mature red spruce and red maple forest. Adults were taken on/in gilled mushrooms on the forest floor and stumps, on Pleurotus species growing on a log, on polypore (bracket) fungus on side of log, in Porodaedalea piceina (Peck) Niemalä on a dead standing beech tree, on Russula delica Fr., in decaying mushrooms, and on white fungus on white birch (Klimaszewski et al. 2009c, 2018).

Material. USA, Maine, York Co.: West Lebanon, 5–9.VII.1990, 2 males ; 31.VII–6.VIII.1990, 3 males; 4– 10.IX.1990, 1 male, 1 female; 14–20.VIII.1990, 1 female; 22–27.VIII.1990, 2 males; 5–9.VII.1990, 1 male, 2 sex?; 21–27.VIII.1990, 2 males, D.W. Barry, FIT. New Hampshire, Carroll Co.: 2 mi NW Wonalancet, 21–27.VI.1984, 2 males , 5–11.VII.2004, D.S. Chandler, FITrap, 1 male. The Bowl, 2.5 mi NW Wonalancet, 26.VII.1984, ex. mushrooms, D.S. Chandler 7 males, 5 females, 43 sex?; 4.VI.1984, D.S. Chandler, ex: mushrooms, 10 sex?; 2–17.IX.1984, window trap, 1 male ; 15–20.VI.1984, window trap, 13 sex? 6 mi NW Bartlett, Nancy Brook Trail, 1500’, 9.IX.1987, A. Davies and Y. Bousquet, ex Russula mushrooms (CNC), 1 male, 4 sex? Coos Co.: 1 mi NE East Inlet Dam, 12–24.VI.1986, D.S. Chandler, FIT, 1 male . 2 mi NE Crawford Depot, 2100’, 13.IX.1987, J.M. Campbell and A. Davies, ex mass of mushrooms on large stump (CNC). 3 males, 11 sex? Grafton Co.: Bedell Bridge St. Park @ Oliverian Brook, 9–29.IX.1992, D.S. Chandler, FITrap, 1 male . Hubbard Brook Exp. Forest, Bear Brook, 2000’, 6.VII.1983, D.S. Chandler, sift rotten wood, 8 sex? Strafford Co.: 4 mi W Durham, 10.V.1982, D.S. Chandler, ex: mushoom, 1 male; 2–5.VIII.1982, R.M. Reeves, window trap, 1 male. Durham, 19.VI.1963, feeding on fungus, 8 sex? Kingman Farm, 3.5 km N Durham, 47m 3–17.IX.2009, FIT #3, forest, Zool. 745/845 class, 1 male . West Foss Farm, 1 km S Durham, 20.VIII–10.IX.2009, younger forest, FIT #1, 1 male ; 25.IX–8.X.2009, J.K. Insinga, older forest, FIT #2, 1 male. Pennsylvania, Centre Co.: Rothrock St. Forest, Bear Meadows, 1820’, 9–13.VII.1984, D.S. Chandler, sweep, 2 males . McKean Co.: Allegheny N. For., Tionesta Scenic, Area, 29.V.1985, sift forest litter, D.S. Chandler, 2 males, 1 female . Warren Co.: Allegheny Nat. Forest, Hearts Content Scenic Area, 29.V.1985, D.S. Chandler, sift beech & pine leaf litter, 1 male . Westmoreland Co.: 3 mi E Berlin, 10.VII.1984, D.S. Chandler, sift rotten wood (12). Linn Run St. Park, Linn Run, 2100’, 10.VII.1984, D.S. Chandler, sift leaf and bark litter on hill, 2 sex?