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Acadian Hairstreak
Satyrium acadica (W.H. Edwards, 1862)
Attributes of Satyrium acadicaFamily: Gossamer-wing Butterflies (Lycaenidae) Subfamily: Hairstreaks (Theclinae) Identification: One tail on each hindwing. Upperside brown-gray. Underside of hindwing gray; blue marginal spot is capped with orange; row of orange submarginal spots capped with black; round black spots form postmedian row. Life history: Males perch on low vegetation near host plants to watch for females. Eggs are laid on twigs and hatch the next spring; caterpillars eat leaves. Flight: One flight from June-August. Wing span: 1 1/8 - 1 1/2 inches (2.9 - 3.8 cm). Caterpillar hosts: Various willow species including black willow (Salix nigra) and silk willow (Salix sericea). Adult food: Nectar from flowers including butterflyweed, meadowsweet, milkweeds, New Jersey tea, and thistles. Habitat: Willow-lined streams, marshes, moist woodlands. Range: British Columbia east to Nova Scotia; south to Idaho, Colorado, the upper Midwest, Maryland, and New Jersey. 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 Satyrium acadica
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