Four occurrences found (Schuh & Schwartz 2005) Northwest Territories:Aklavik, June 18,1931, Bryant, 1/(CNC). Aklavik, July 16, 1931,Bryant, 1f(CNC). Baffin Island, Lake Harbour,August 13, 1935, W. J. Brown, 1m(USNM). Geillini Lake, August 19, 1952, J. G. Chillcott, 8f,3m(CNC). Inuvik, July 25, 1983, L. A. Kelton,2f,3m(CNC). Nicholson Lake, N end, July 27,1966, J. G. Chillcott, 1m(CNC). Reindeer Depot,Mackenzie Delta, August 11, 1948, J. R. Vock-eroth, 5f,4m(CNC). Reindeer Depot, MackenzieDelta, July 7, 1948, W. J. Brown, 1f(CNC). Tuktoyaktuk, 20 mi E of, July 6, 1971, W. R. M.Mason, 11f,2m(CNC). Whatever Lake, July 1,1989, J. Pilny, 1f(CNC).