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Left: Canada Sulphur (Colias canadensis), male. British Mts., 69°13´N, 140°05´W, 320 m., YT. 18-20.VI.84 G. & M. Wood & J.D. Lafontaine
Right: Canada Sulphur (Colias canadensis), female. British Mts., 69°15´N, 140°02´W, 630 m., YT. 24.VI.84 G. & M. Wood & J.D. Lafontaine
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