Gyrophaena gracilis Seevers
CANADA. New Brunswick: Carleton Co., Belleville Meduxnekeag Valley Nature Preserve (46.1942°N 67.6832°W), floodplain forest, on Trametes hirsuta on Populus log, 02. VI.2008, R.P. Webster, (5 sex?, RWC; GYR-RW-19, 1 sex?, RWC; GYR-RW-20, 1 sex?, RWC; GYR-RW-21, 1 sex?, RWC); Sunbury Co., Lakeville Corner (45.9007°N 66.2423°W), silver maple swamp, on Trametes hirsuta on Populus log, 27.VIII. 2006 (1 male, 1 female, 1 sex?, LFC; 5 males, 2 females, 1 sex?, RWC; Photo 2008-35, 1 male, LFC); Burton, near Sunpoke Lake (45.7658°N 66.5546°W), oak forest, on partially dried Pleurotus sp. on dead standing trembling aspen, 20. VI.2007, R.P. Webster (1 female, RWC); York Co., Keswick Ridge (46.0040°N 66.8776°W), barred owl nest box with small chicks, in moist nest material, 23. V.2006, S. Makepeace (1 female, RWC).