Species Detail
Scudder's Sulphur
Colias scudderi Reakirt, 1865

Attributes of Colias scudderiFamily: Whites and Sulphurs (Pieridae) Subfamily: Sulphurs (Coliadinae) Identification: Upper surface of male lemon yellow; dark wide border cut by yellow veins. Females often white, with small black cell spot; border incomplete or lacking. Underside of both sexes dirty green. Life history: Males patrol near willows for receptive females. Females lay eggs singly on young host plant leaves. Caterpillars eat leaves. Second-, third-, and fourth-stage caterpillars hibernate. Flight: One flight from late June-August. Wing span: 1 1/2 - 2 inches (3.8 - 5.1 cm). Caterpillar hosts: Willow shrubs in the willow family (Salicaceae). Adult food: Flower nectar. Habitat: Mountain meadows and willow bogs. Range: Alaska south through Rocky Mountains to northern New Mexico. Conservation: Not usually required. NatureServe Global Status: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery. Management needs: Not reported. | Documented Records for Colias scudderi |
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