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Species Detail
Coronis Fritillary
Speyeria coronis (Behr, 1864)
Attributes of Speyeria coronisFamily: Brush-footed Butterflies (Nymphalidae) Subfamily: Longwings (Heliconiinae) Identification: Upperside tawny to orange-brown with black markings. Underside of hindwing with inwardly rounded silver spots in marginal row; other silver spots are elongated. Life history: Males patrol open areas to find females. Females may delay egg-laying until late summer. Eggs are laid singly on litter near violets. First-stage caterpillars overwinter unfed; in the spring they feed on violet leaves. Flight: One flight from mid-June to September. Wing span: 2 - 3 3/8 inches (5 - 8.6 cm). Caterpillar hosts: Violets including Viola nuttallii, V. purpurea, V. douglasii, and V. beckwithii. Adult food: Flower nectar. Habitat: Mountain slopes, foothills, prairie valleys, chaparral, sagebrush, forest openings. Range: Southern Washington east through the Great Basin to central South Dakota, Wyoming, Nebraska, and Colorado; south through Nevada and California to northwest Baja California Norte. Conservation: Not usually required. 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 coronis |
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