Colias nastes aliaska Bang-Haas, 1927;  Comments: most of Alaska (except Seward Peninsula) and Yukon; blending with moina to E TL: USA (Ak).

Colias nastes aliaska ♂ CANADA: YUKON TERRITORY:
Richardson Mtns., Dempster Hwy. 5, km 408, 01-VII-1985 [MGCL]