Geographic Location: AK: Barrow (Hammer 1955a; Hurd & Lindquist 1958; Bohnsack 1968, 1973); Cape Thompson (Watson et al. 1966); northern and northwestern coastal plain; Fairbanks Region; Denali NP; Chugach Mtns; Kenai Peninsula; Pribilof Islands (Behan 1978a); Brooks Range, Dalton Hwy. crossing of Kanuti River (Behan 1978a; Behan-Pelletier 1985; Hammer (1955a); YT: Richardson Mtns, Ogilvie Mtns (Behan-Pelletier 1997b); modern fossils (Matthews & Telka 1997); NT: Banks Is. (Behan 1978a); Victoria Is., southwest of Collinson Inlet (Behan-Pelletier 1985); NU: Devon Is. (Ryan 1977; Behan 1978a); Ellesmere Is.: Slidre Fiord (Hammer 1953); Alexandra Fiord, Oldsquaw nest; Quttinirpaaq NP: Hazen Camp, 81°49’N, 71°16’W (Behan 1978a); Hazen Camp (Kevan et al. 1995); Hot Weather Creek (Brodo 2000); Bathurst Is., 75°43’N, 98°25’W (Danks and Byers 1972; Behan 1978a); Melville Is., Baily Point; Axel Heiberg Is. (Behan 1978a).
Habitats: arctic coastal plain; tussock tundra; Salix, Betula, Sphagnum litter in moist bog; lemming nest.
Distribution: Nearctic; eastern Palaearctic.