Gyrophaena involuta Casey
CANADA. New Brunswick: Carleton Co., Belleville, Meduxnekeag Valley Nature Preserve (46.1917°N 67.6740°W), mature mixed forest, on small gilled mushrooms on log, 8.VIII.2006, R. P. Webster (Photo 2008-79, 1 male, LFC; 5 males, 1 female, RWC) ; Jackson Falls, “Bell Forest” (46.2200°N 67.7230°W), hardwood forest, on Pleurotus sp. on log, 18.VIII.2008, R. P. Webster (GYR-RW-46, 1 male, RWC; GYR- RW-47, Photo 2009-25, 1 female LFC): same locality data except hardwood forest with hemlock, in gilled mushroom, 19.VII.2006 (1 male, RWC) ; Sunbury Co., Acadia Research Forest, (45.9799°N 66.3394°W), Road 7 control, mature red spruce and red maple forest, in gilled mushroom, 17.VIII.2007, R. P. Webster (1 male, RWC; 1 male, 1 sex?, AFC) ; York Co., Charters Settlement (45.8286°N 66.7365°W), mature mixed forest, on gilled mushroom, 6.VIII.2006, R. P. Webster (1 male, RWC) .