North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Sonoran Hairstreak (Hypostrymon critola)
JPG -- species photo

Sonoran Hairstreak (Hypostrymon critola [Hewitson])

Wing span:

Identification: Upperside blue; male with large black spot. Underside gray with darker streaks and orange postmedian line.

Life history:

Flight: May and September in Arizona, throughout the year in Mexico.

Caterpillar hosts:

Adult food: Flower nectar.

Habitat: Desert scrub along streamsides.

Range: Southwest Mexico into southern Arizona; southern Baja California.

Conservation: Any United States populations should be conserved.

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.


Brown, J. W., H. G. Real, and D. K. Faulkner. Butterflies of Baja California. 
    1992. Lepidoptera Research Foundation, Inc., Beverly Hills, CA. 129 pages, 
    8 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

Sonoran Hairstreak (Hypostrymon critola)
distribution map
map legend

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