California Hairstreak
Satyrium californica (W.H. Edwards, 1862)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Each hindwing has 1 long and 1 short tail. Upperside brown with orange spot on hindwing near tails. Outer edge of forewing usually has row of orange spots. Underside brown-gray with orange submarginal crescents and a postmedian band of black spots.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males search for females by perching on top of trees (occasionally patrolling). Females lay eggs, glued together in groups of 2-4, in bark crevices. Eggs hibernate until the following spring. Caterpillars eat leaves.
Flight: One flight from May-August.
Caterpillar Hosts: Amelanchier alnifolia, Prunus virginiana; Cercocarpus, Ceanothus, Quercus, and Salix species.
Adult Food: Nectar from flowers of wild buckwheat, milkweed, sulphur flower, and others.
Habitat: Chaparral, brushland, forest edges, open woodland.
Range: British Columbia south to southern California and east to Colorado.
Conservation: Valley oak-associated population in California\'s central valley is threatened by loss of habitat.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: Conserve remaining stands of Valley oak in California Central Valley.
Comments: NULL
Alternate Scientific Names:
Satyrium californicum
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Verified Sightings
Displaying 73 - 96 of 397 verified sightings
Observation date: Jun 27, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Aug 04, 2011
Submitted by: legacy.reporter (Ken Kertell)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 20, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 27, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 04, 1985
Submitted by: legacy.reporter (Jim Brock)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Aug 09, 2008
Submitted by: Peggy Hamlen
Region: Fremont County, Idaho, United States
Verified by: paulopler
Verified date: Feb 10, 2011
Observation date: Aug 11, 1967
Submitted by: legacy.reporter (Emmel, Shields & Ellis)
Region: Humboldt County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 11, 2010
Submitted by: legacy.reporter (Paul Opler and EviBuckner-Opler )
Region: Kittitas County, Washington, United States
Verified by: paulopler (Paul Opler)
Verified date: Dec 31, 2010
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jun 14, 1980
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Trinity County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 16, 1979
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Jun 15, 1980
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 15, 1977
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: May 22, 1982
Submitted by: legacy.reporter (R. O. McDonnell)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: May 20, 1997
Submitted by: legacy.reporter (Lynn & Gene Monroe)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jun 21, 1987
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jun 22, 1986
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jul 22, 1990
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jul 17, 1983
Submitted by: legacy.reporter (Laurence Crabtree)
Region: Lassen County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: Jul 17, 1994
Submitted by: legacy.reporter (Laurence Crabtree)
Region: Lassen County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: Jul 22, 1990
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: Jun 21, 1987
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: Jun 22, 1986
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: Jul 01, 1962
Submitted by: legacy.reporter (Kenneth Denton)
Region: Orange County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
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