Cyllodes biplagiatus LeConte, 1866

Carleton Co.: Belleville,Meduxnekeeg Valley Nature Preserve, 46.1940°N, 67.6800°W, 3.VII.2006, R. P. Webster, mixed forest, on slightly dried Pleurotus mushrooms on dead standing Populus sp., (2, RWC) ; Sunbury Co.: near Sunpoke Lake, 45.7658°N, 66.5546°W, 27.VI.2007, R.P. Webster, oak forest, on slightly dried Pleurotus mushrooms on dead standing Populus sp., (7, RWC).

Cyllodes biplagiatus has been recorded in Canada from Manitoba (McNamara 1991), and in the United States from New Hampshire south to New Jersey and west to Minnesota (Parson 1943). The species is associated with oyster mushrooms ( Pleurotus ostreatus Fr., Tricholomataceae) (Cline and Leschen 2005).