North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Black Hairstreak (Ocaria ocrisia)
JPG -- species photo

Black Hairstreak (Ocaria ocrisia [Hewitson])

Wing span: 7/8 - 1 inch (2.2 - 2.5 cm).

Identification: Upper surface charcoal black to charcoal gray with narrow blue edging on hindwing.

Life history: Not reported.

Flight: One flight in South Texas in early November; throughout the year in Central America.

Caterpillar hosts: Flowers of Paullinia in Brazil; live oak in Costa Rica.

Adult food: Not reported.

Habitat: Disturbed tropical sites at low to moderate elevations.

Range: Argentina north to Mexico. One stray recorded in South Texas.

Conservation: Not required for rare tropical stray.

The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.

Management needs: None reported.


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.

Author: Jane M. Struttmann

Black Hairstreak (Ocaria ocrisia)
distribution map
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