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Great Basin Wood-Nymph
Cercyonis sthenele (Boisduval, 1852)
Family: Nymphalidae
Subfamily: Satyrinae
Identification: Upperside is brown. Forewing of male has 2 small eyespots, with the upper one larger; female has 2 large eyespots of about the same size. Eyespots are of equal distance from the outer edge of wing. Dark basal half of hindwing underside is separated from lighter outer half by an irregular dark line.
Wing Span: 1 3/8 - 1 3/4 inches (3.5 - 4.5 cm).
Life History: Males patrol all day to find females, who lay eggs singly on host plants. Caterpillars hatch and go into hibernation, not feeding until the following spring.
Flight: One brood from June-August.
Caterpillar Hosts: Unknown grasses.
Adult Food: Flower nectar.
Habitat: Chaparral, oak woodland, open pine forest, juniper-pinyon woodland, sagebrush.
Range: Southern British Columbia south through California to Baja California Norte; east to Wyoming, Colorado, and Arizona.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
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Region: Juab County, Utah, United States
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Region: Marin County, California, United States
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Region: Routt County, Colorado, United States
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Region: Pershing County, Nevada, United States
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Region: Carbon County, Wyoming, United States
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Region: Nevada County, California, United States
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Region: Owyhee County, Idaho, United States
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Region: Douglas County, Oregon, United States
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Region: Klickitat County, Washington, United States
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Region: Cassia County, Idaho, United States
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Region: Curry County, Oregon, United States
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Region: Lincoln County, Washington, United States
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Region: Santa Clara County, California, United States
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Region: Beaverhead County, Montana, United States
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Region: Sherman County, Oregon, United States
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Region: Coconino County, Arizona, United States
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Region: Trinity County, California, United States
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Region: San Juan County, New Mexico, United States
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Region: Daggett County, Utah, United States
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Region: Colusa County, California, United States
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Region: Rio Blanco County, Colorado, United States
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Region: Esmeralda County, Nevada, United States
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Region: Wayne County, Utah, United States
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Region: Kern County, California, United States
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Verified date: Dec 31, 2004
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