NBP/NIS material examined. 220 ♂, 340 ♀ from the following sites: Manitoba: Churchill; Northwest Territories: Banks Island; Nunavut: Cambridge Bay, Iqaluit, Kugluktuk, Lake Hazen (v. 1953; vi.1948, 1949, 1951; vi–viii. 1952; vii. 1961; vi–vii. 1962; vii. 1963; vii. 1980; vii. 2011) (CNC, LEM).
Comments. Lasiopiophila pilosa is restricted to high northern sites in the Nearctic (McAlpine 1977) and has been reported from the Palaearctic (Hennig 1943; McAlpine 1977).