Species
Holarctic; Arctic Alaska and Canada, south on principal cordillera of west. N. Amer. to Calif. (Sierra Nevada Mts. and White Mts.) and N. Mex. (Truchas Peak), ?Ariz. (Patagonia Mts.). Recorded from: Alta., B.C., Labrador, Man., Newfoundland, N.W.T., Ont., Que., Yukon, Alaska, Calif., Colo., Mont., N. Mex., Oreg., Wash., Wyo., and ?Ariz.
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