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Vidler's Alpine (Erebia vidleri Elwes)
Wing span: 1 5/8 - 1 7/8 inches (4.1 - 4.8 cm).
Identification: Upperside is brown-black; orange band across both wings surrounds 3 eyespots on the forewing, 1-2 eyespots on the hindwing. Underside of forewing is the same as the upperside; hindwing median band is indistinct to well-defined ash gray.
Life history: Not reported.
Flight: One brood from July-August.
Caterpillar hosts: Probably grasses.
Adult food: Flower nectar.
Habitat: High mountain meadows, ridges, and rockslides.
Range: High mountains of British Columbia south to the Olympic and north Cascade Mountains of Washington.
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:
Hinchliff, J. 1996. The Distribution of the Butterflies of Washington.
Evergreen Aurelians. Oregon State University Bookstore, Corvallis.
Layberry, R.A., Hall, P.W. & Lafontaine, D.J., 1998. The Butterflies of
Canada. University of Toronto Press, Toronto, ON. 280 pp.
Opler, Paul A. 1999. Peterson Field Guide to Western Butterflies, revised
edition. Houghton Mifflin Co., Boston, Mass.
Pyle, R.M. 1974. Watching Washington Butterflies. Seattle Audubon Society,
Seattle, Wash.
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.
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 1999 -
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