Attributes of Cercyonis sthenele
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.
Taxonomy Notes:
Images of Cercyonis sthenele
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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 200 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
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September 12, 2009 | plex1ppus | Chelan County, Washington, United States | October 30, 2011 | Details |
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July 17, 2011 | plex1ppus | Spokane County, Washington, United States | October 10, 2011 | Details |
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August 04, 2011 | Dennie OBrien | British Columbia, Canada | August 18, 2011 | Details |
| June 08, 1972 | legacy.reporter (Jim Brock) | Kern County, California, United States | May 01, 2011 | Details | |
| August 17, 1916 | legacy.reporter (J. A. Comstock) | Plumas County, California, United States | May 01, 2011 | Details | |
| June 27, 2005 | legacy.reporter (Bill Bouton) | Inyo County, California, United States | May 01, 2011 | Details | |
| June 27, 2005 | legacy.reporter (Kim Davis & Mike Stangeland) | Inyo County, California, United States | May 01, 2011 | Details | |
| June 09, 2005 | legacy.reporter (Kim Davis & Mike Stangeland) | Inyo County, California, United States | May 01, 2011 | Details | |
| June 03, 2005 | legacy.reporter (Kim Davis & Mike Stangeland) | Kern County, California, United States | May 01, 2011 | Details | |
| August 08, 2008 | legacy.reporter (David Shaw) | Siskiyou County, California, United States | May 01, 2011 | Details | |
| September 14, 2011 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 01, 2011 | Details | |
| September 21, 2011 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 01, 2011 | Details | |
| September 28, 2011 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 01, 2011 | Details | |
| September 28, 2011 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 01, 2011 | Details | |
| July 03, 1997 | Ken Davenport (Ken Davenport) | Clark County, Nevada, United States | May 01, 2011 | Details | |
| July 22, 2010 | legacy.reporter (Paul Opler and EviBuckner-Opler ) | Grand County, Utah, United States | December 31, 2010 | Details | |
| August 02, 1990 | legacy.reporter (J. B. Vernon) | Siskiyou County, California, United States | August 02, 2010 | Details | |
| August 01, 1990 | legacy.reporter (Robert L. Langston) | Modoc County, California, United States | August 02, 2010 | Details | |
| June 17, 1988 | legacy.reporter (J. Emmel, G. Pratt) | San Bernardino County, California, United States | August 02, 2010 | Details | |
| July 14, 1984 | legacy.reporter (Laurence Crabtree) | Lassen County, California, United States | April 02, 2010 | Details | |
| August 21, 1984 | legacy.reporter (David L. Eiler) | Modoc County, California, United States | April 02, 2010 | Details | |
| August 06, 1978 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| September 16, 1978 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| August 30, 1976 | legacy.reporter (A. M. Shapiro) | Trinity County, California, United States | March 09, 2010 | Details | |
| August 30, 1976 | legacy.reporter (A. M. Shapiro) | Trinity County, California, United States | March 09, 2010 | Details | |
| September 07, 1976 | legacy.reporter (A. M. Shapiro) | Trinity County, California, United States | March 09, 2010 | Details | |
| August 15, 1977 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| June 21, 1987 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| July 12, 1988 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| July 22, 1990 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| September 04, 1988 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| January 01, 1950 | legacy.reporter (unknown) | Santa Barbara County, California, United States | January 07, 2010 | Details | |
| January 01, 1950 | legacy.reporter (unknown) | Santa Barbara County, California, United States | January 07, 2010 | Details | |
| July 26, 1975 | legacy.reporter (Richard Priestaf) | Santa Barbara County, California, United States | January 07, 2010 | Details | |
| July 07, 1968 | legacy.reporter (James A. Scott) | Marin County, California, United States | January 07, 2010 | Details | |
| June 17, 1974 | legacy.reporter (Larry Orsak) | Inyo County, California, United States | January 07, 2010 | Details | |
| June 01, 1972 | legacy.reporter (R. C. Gardner) | Santa Clara County, California, United States | January 06, 2010 | Details | |
| August 22, 1971 | legacy.reporter (J. Emmel, R. Langston) | Contra Costa County, California, United States | January 06, 2010 | Details | |
| September 01, 1971 | legacy.reporter (Dennis Sorg) | Marin County, California, United States | January 06, 2010 | Details | |
| August 01, 1969 | legacy.reporter (David B. Weissman) | Santa Barbara County, California, United States | January 06, 2010 | Details | |
| June 27, 1978 | legacy.reporter (Glenn Gorelick) | Santa Barbara County, California, United States | January 06, 2010 | Details | |
| June 29, 1978 | legacy.reporter (Glenn Gorelick) | Santa Barbara County, California, United States | January 06, 2010 | Details | |
| September 11, 1967 | legacy.reporter (N. La Due) | Placer County, California, United States | January 06, 2010 | Details | |
| June 15, 1997 | legacy.reporter (Jeffrey Glassberg) | Contra Costa County, California, United States | January 05, 2010 | Details | |
| June 21, 1972 | legacy.reporter (Charles Sexton) | Orange County, California, United States | January 05, 2010 | Details | |
| June 21, 1972 | legacy.reporter (Charles Sexton) | Orange County, California, United States | January 05, 2010 | Details | |
| June 26, 1975 | legacy.reporter (Ron Vanderhoff) | Orange County, California, United States | January 05, 2010 | Details | |
| July 14, 1972 | legacy.reporter (Larry Orsak) | Orange County, California, United States | January 05, 2010 | Details | |
| July 29, 1975 | legacy.reporter (Ron Vanderhoff) | Orange County, California, United States | January 05, 2010 | Details | |
| August 12, 1970 | legacy.reporter (Larry Orsak) | Orange County, California, United States | January 05, 2010 | Details |
