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Butterflies of North America -- Ephyriades brunneus

North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey


Butterflies of North America

Florida Duskywing (Ephyriades brunneus)
JPG -- species photo

Florida Duskywing (Ephyriades brunneus [Herrich-Schäffer])

Wing span: 1 5/8 - 1 7/8 inches (4.2 - 4.8 cm).

Identification: Male upperside is black with a silky sheen and a circle of white transparent spots near the apex. Female upperside is brown with dark mottling and outer margins; forewing has more and larger transparent spots than the male.

Life history: To wait for females, males perch in full sunlight about 1 1/2 feet above the ground on bare twigs. Eggs are deposited on leaves and young shoots of the host plants. Caterpillars feed on leaves and rest in leaf shelters.

Flight: Many flights throughout the year in southern Florida.

Caterpillar hosts: Key byrsonima (Byrsonima lucida) and Barbados cherry (Malpighia glabra).

Adult food: Nectar from flowers of low plants and flowering shrubs including Bidens alba, Croton granduosus, and Lantana involucrata.

Habitat: Tropical pine-Sabal palm scrub.

Range: Tropical southern Florida and the Keys; the West Indies. A rare stray to Honduras.

Conservation: Monitor Florida populations and take action if necessary.

The Nature Conservancy Global Rank: GU - Unable to assign rank due to lack of available information.

Management needs: None reported.

References:

Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the Great Plains. Johns 
     Hopkins University Press, Baltimore. 294 pages, 54 color plates.

Opler, P. A. and V. Malikul. 1992. A field guide to eastern butterflies. Peterson 
     field guide #4. Houghton-Mifflin Co., Boston. 396 pages, 48 color plates.

Scott, J. A. 1986. The butterflies of North America. Stanford University Press, 
     Stanford, Calif. 583 pages, 64 color plates.

Smith, D. S., L. D. Miller, and J. Y. Miller. 1994. The butterflies of the West 
     Indies and South Florida. Oxford University Press, Oxford. 264 pages, 32 
     color plates.

Author: Jane M. Struttmann

Florida Duskywing (Ephyriades brunneus)
distribution map
map legend

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