Species Detail

Hickory Hairstreak

Satyrium caryaevorus (McDunnough, 1942)

JPG -- species photo

Attributes of Satyrium caryaevorus


Family: 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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