| Euchloe hyantis, Euchloe olympia, Euchloe ausonides, Colias christina, Colias occidentalis|Euchloe creusa Wikipedia
Euchloe creusa, the northern marble, is a species of butterfly that occurs in northern North America.
It is mostly white with black markings on the topside of the forewing tips and body. The underside has greenish-grey veins especially in the hindwing. The wingspan is from 24 to 36 mm.
The northern marble's flight season is from late May to mid-July.
Larvae feed on Draba and Brassicaceae species.