North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Oregon

Sooty Hairstreak (Satyrium fuliginosum)
JPG -- species photo

Sooty Hairstreak (Satyrium fuliginosum [W. H. Edwards])

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

Identification: No tails. Upperside drab dark gray. Underside gray to grayish brown; forewing with a line of white-bordered dark spots which may be lacking.

Life history: Males patrol and occasionally perch to seek receptive females. Females lay eggs singly on host plant or at its base in litter.

Flight: One flight from July-August.

Caterpillar hosts: Various lupines (Lupinus species) in the pea family (Fabaceae).

Adult food: Flower nectar.

Habitat: Sagebrush hills, meadows, fields, road edges.

Range: Local within its range. British Columbia south to central California, east to Wyoming and northern Colorado.

Conservation: Not usually required.

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

Management needs: None reported.

References:


Scott, J. A. 1986. The butterflies of North America. Stanford  University Press, 

    Stanford, Calif. 583 pages, 64 color plates.



Tilden, J. W. 1986. A field guide to western butterflies.  Houghton-Mifflin Co., 

    Boston, Mass. 370 pages, 23 color plates.

Author: Jane M. Struttmann

State and Regional References:


Dornfeld, E. J. 1980. The Butterflies of Oregon. Forest Grove, 	Ore., Timber 

     Press.



Hinchliff, J. 1994. An atlas of Oregon Butterflies. Oregon State University

     Bookstore, Corvallis.



Hinchliff, J. 1994. The distribution of the butterflies of Oregon. Evergreen 

     Aurelians. Oregon State University Bookstore, Corvallis, 176 pp. + map. 



Opler, Paul A. 1999. Peterson Field Guide to Western Butterflies, revised 

     edition. Houghton Mifflin Co., Boston, Mass.



Stanford, R.E. and P.A. Opler. 1993. Atlas of Western USA Butterflies. 

     Privately published, Denver, Colo. 



Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies. 

     Houghton Mifflin Co., Boston, Mass.

Sooty Hairstreak (Satyrium fuliginosum)
distribution map
map legend

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