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Butterflies of North America -- Cyllopsis pertepida

North American Butterflies and Moths List

The definitive website on wildbirds & nature

The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Canyonland Satyr (Cyllopsis pertepida)
JPG -- species photo

Canyonland Satyr (Cyllopsis pertepida [Dyar])

Wing span: 1 1/2 - 1 3/4 inches (3.8 - 4.5 cm).

Identification: Upperside is reddish brown; females are redder than males. Upperside of male forewing has dark scales at the cell. Underside of hindwing has a dark postmedian line which curves toward the margin above the black spots, and then usually disappears.

Life history: Males patrol dry, shaded gulches to find females. Eggs are laid singly on or near the host plant; caterpillars eat leaves. Partially-grown caterpillars hibernate.

Flight: One flight from June-August in the north, several flights from May-October in the south.

Caterpillar hosts: Grasses.

Adult food: Adults almost never feed; they have been observed only rarely nectaring at flowers.

Habitat: Open pinyon-juniper and oak woodland, streamsides.

Range: Southern Mexico north to southwest Texas, southern New Mexico, southern Arizona, and southern Colorado.

Conservation: Not usually required.

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.


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

Canyonland Satyr (Cyllopsis pertepida)
distribution map
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