Friday's Blue
Plebejus fridayi Chermock, 1945
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male blue with narrow dark border; upperside of female bright blue with narrow pale markings. Underside of both sexes is dull gray-tan, with an overcast of greenish blue scales that are strong at the base but decreasing in intensity outwardly.
Wing Span: Males 25 mm, females 28 mm.
Life History:
Flight:
Caterpillar Hosts: Friday's Blues are closely associated with sites containing their caterpillar host plant, Whitney Locoweed (Astragalus whitneyi)
Adult Food:
Habitat:
Range:
Conservation:
NCGR:
Management Needs:
Comments: NULL
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Verified Sightings
Displaying 25 - 48 of 73 verified sightings
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Observation date: Aug 11, 1960
Submitted by: legacy.reporter (Oakley Shields)
Region: Mono County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
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Observation date: Jul 18, 1958
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
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Observation date: Jun 26, 1961
Submitted by: legacy.reporter (Oakley Shields)
Region: Mono County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
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Observation date: Jul 28, 1958
Submitted by: legacy.reporter (Oakley Shields)
Region: Mono County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
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Observation date: Jul 22, 1922
Submitted by: legacy.reporter (J. A. Comstock)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Aug 03, 1959
Submitted by: legacy.reporter (Oakley Shields)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Aug 26, 1998
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jun 20, 1988
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 09, 1996
Submitted by: legacy.reporter (Bruce & Bret Boyd)
Region: Mono County, California, United States
Verified by: legacy.verifier (George T. Austin)
Verified date: Oct 19, 2009
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Observation date: Jul 27, 2002
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 08, 1979
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 06, 2006
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jun 23, 1962
Submitted by: legacy.reporter (J. W. Tilden)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 20, 1976
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Aug 08, 1998
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Aug 29, 1967
Submitted by: paulopler (Paul Opler)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 28, 1922
Submitted by: legacy.reporter (J. A. Comstock)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Aug 14, 1970
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 11, 2004
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 11, 1994
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 10, 1996
Submitted by: legacy.reporter (Bruce & Bret Boyd)
Region: Mono County, California, United States
Verified by: legacy.verifier (George T. Austin)
Verified date: Oct 19, 2009
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Observation date: Jul 19, 1976
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jun 23, 1986
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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Observation date: Jul 27, 2002
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 19, 2009
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