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Atlantis Fritillary
Speyeria atlantis (W.H. Edwards, 1862)
Attributes of Speyeria atlantisFamily: Brush-footed Butterflies (Nymphalidae) Subfamily: Longwings (Heliconiinae) Identification: Quite variable. Upperside orange-brown, darker at base, with black outer margins; male has black scales on veins. Underside of hindwing with basal disk chocolate brown or purplish, hindwing spots always silvered. Life history: Males patrol during the day in forested areas or along streams. Eggs are laid singly on leaf litter near host plant. Unfed first-stage caterpillars overwinter, emerging in spring to feed on leaves. Flight: One flight from mid-June to September. Wing span: 2 - 2 3/4 inches (5 - 7 cm). Caterpillar hosts: Violets. Adult food: Flower nectar including that from common milkweed, mints, mountain laurel, crown vetch, burdock, boneset, ox-eye daisy, spiraea, and virgin\'s bower. Habitat: Forest openings, upland pastures, bogs, meadows, and moist canyons. Range: Maritime Provinces and northeast United States south to West Virginia, west through the Great Lakes region and southern Canada. South in Rocky Mountains to Colorado Front Range. Conservation: Not usually of conservation concern. NatureServe Global Status: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Management needs: None reported. | Documented Records for Speyeria atlantis |
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