Species Detail
Hickory Hairstreak
Satyrium caryaevorus (McDunnough, 1942)

Attributes of Satyrium caryaevorusFamily: Gossamer-wing Butterflies (Lycaenidae) Subfamily: Hairstreaks (Theclinae) Identification: Hindwing with 1 tail. Underside light brown with broad, offset, white postmedian dashes. Hindwing with blue tail-spot and black-capped orange eyespot. Life history: Males perch high up in trees to wait for females. Eggs hibernate; caterpillars feed on lower surface of leaves. Flight: One flight from June-August. Wing span: 1 1/8 - 1 3/8 inches (2.9 - 3.5 cm). Caterpillar hosts: Mostly hickory (Carya); also ash (Fraxinus), chestnut (Castanea), and oak (Quercus) species. Adult food: Nectar from flowers of common milkweed, dogbane, New Jersey tea, staghorn sumac, and white sweet clover. Habitat: Deciduous forests and second-growth woods in areas of rich soil. Range: Southern New England west to Minnesota and Iowa, south in the Appalachians to eastern Tennessee. Conservation: Not usually required, but on sensitive species list for some states. NatureServe Global Status: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery. Management needs: None reported. | Documented Records for Satyrium caryaevorus![]()
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