Species Detail

Dorcas Copper

Lycaena dorcas (W. Kirby, 1837)

JPG -- species photo

Attributes of Lycaena dorcas


Family: Gossamer-wing Butterflies (Lycaenidae)

Subfamily: Coppers (Lycaeninae)

Identification: Upperside brown; male with blue-purple iridescence, female with few light areas. Hindwing with a few red-orange spots on border near anal angle. Underside is orange-brown.

Life history: Males perch and patrol near hostplants for females. Eggs are laid singly on the underside of host leaflets and drop to the ground in autumn. The eggs overwinter and in the spring the young caterpillars must find their way to the host plant to feed on the leaves.

Flight: One flight from June-September.

Wing span: 1 - 1 1/4 inches (2.5 - 3.2 cm).

Caterpillar hosts: Shrubby cinquefoil (Potentilla fruticosa) and other cinquefoils.

Adult food: Not reported.

Habitat: Edges of bogs, old brushy fields, open places near small streams.

Range: Boreal Alaska and Canada south to Washington, east to eastern Ontario and the northern Great Lakes states. Isolated population in Maine.

Conservation: Subspecies claytoni in Maine should be conserved.

NatureServe Global Status: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.

Management needs: Manage and conserve habitat of Clayton\'s copper in Maine.

Documented Records for Lycaena dorcas



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