Left: Yellow-dotted Alpine (Erebia pawslowskii canadensis), male. Churchill, Man., 29.VII.
Right: Yellow-dotted Alpine (Erebia pawslowskii alaskensis), male. British Mountains, 69°27´N, 140°23´W, 200 m., YT. 2-4.VII.84 G. &D.M. Wood & J.D. Lafontaine