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| Mustard White (Pieris oleracea oleracea) summer form, male. Bobcaygeon, Ont. 7.VII.31 J. McDunnough | West Virginia White (Pieris virginiensis), male. Halton Co. Forest, Ont. 1.V.69 P.M. Catling |
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| Margined White (Pieris marginalis marginalis), male. Waterton Lakes, Alta. 8.VII.23 J. McDunnough | Arctic White (Pieris angelika angelika), male. Dawson, YT. 17.VII.49 W.W. Judd |
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