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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: Mesa County, Colorado, United States
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Region: Lyon County, Nevada, United States
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Region: Iron County, Utah, United States
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Region: Lassen County, California, United States
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Region: Eagle County, Colorado, United States
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Region: Eureka County, Nevada, United States
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Region: Teton 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: San Francisco County, California, United States
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Region: Flathead County, Montana, United States
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Region: Harney County, Oregon, United States
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Region: Columbia County, Washington, United States
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Region: Sonoma County, California, United States
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Region: Gallatin County, Montana, United States
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Region: Utah County, Utah, United States
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Region: Amador County, California, United States
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Region: Solano County, California, United States
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Region: Storey County, Nevada, United States
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Region: Grand County, Utah, United States
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Region: Glenn County, California, United States
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Region: San Miguel County, Colorado, United States
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Verified date: Dec 31, 2004
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