This species is known from 4 locality records in the Northwest Territories: Deline, Aklavik, Tuktoyaktuk, and Colville Lake (localities inferred from distribution map (fig. 2242) in Griffiths (1998)). This species is also present in surrounding regions (YT, NU) (Griffiths 1998). As such, is likely more prevalent in the territory and a wide range was selected (6->300).