Sonoran Blue
Philotes sonorensis (C. Felder & R. Felder, 1865)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Our only blue with red spots on forewing. Upperside silvery blue; forewing of both sexes with red spots at outer margin; hindwing of female also with red spots.
Wing Span: 7/8 - 1 inch (2.2 - 2.5 cm).
Life History: Males patrol with a weak flight near the host plant for females. Eggs are laid singly on the leaves, and caterpillars bore into them to feed. Chrysalids hibernate under stones.
Flight: One flight from February-March.
Caterpillar Hosts: Stonecrop (Dudleya species) in the Crassulaceae family.
Adult Food: Not reported.
Habitat: Rocky washes, outcrops, and cliffs in desert.
Range: Very local. Placer County, California west to Santa Clara County; along coast through southern California to Baja California.
Conservation: Subspecies extinctis occurred in the upper San Gabriel river wash in southern California, but has been extinct since 1968 when its habitat was destroyed.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: Protect colonies from habitat modification.
Comments: NULL
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Verified Sightings
Displaying 73 - 96 of 273 verified sightings
Observation date: Feb 24, 1988
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Nevada County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 02, 2010
Observation date: Feb 13, 1988
Submitted by: legacy.reporter (Robert L. Langston)
Region: Placer County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 02, 2010
Observation date: Apr 23, 1987
Submitted by: legacy.reporter (R. Coyle, J. Mori)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Apr 02, 2010
Observation date: Apr 24, 1982
Submitted by: legacy.reporter (R. Skalski)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Apr 04, 1979
Submitted by: legacy.reporter (R. Langston, R. Wells)
Region: Amador County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Mar 11, 2003
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: Apr 05, 1979
Submitted by: legacy.reporter (Ralph Wells)
Region: Calaveras County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Mar 26, 1999
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: Feb 26, 1999
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: Mar 06, 1949
Submitted by: legacy.reporter (David L. Bauer)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 19, 1958
Submitted by: legacy.reporter (Chris Henne)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 05, 1960
Submitted by: legacy.reporter (Richard Breedlove)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 24, 1973
Submitted by: legacy.reporter (Richard Priestaf)
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 04, 1956
Submitted by: legacy.reporter (Oscar Sette)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 03, 1956
Submitted by: legacy.reporter (Oscar Sette)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 21, 1971
Submitted by: legacy.reporter (Richard Priestaf)
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 17, 1951
Submitted by: legacy.reporter (R. L. Langston)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 16, 1961
Submitted by: legacy.reporter (V. Chang)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 16, 1967
Submitted by: legacy.reporter (Paul Opler, Jerry Powell)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 25, 1951
Submitted by: legacy.reporter (F. T. Thorne)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 23, 1971
Submitted by: legacy.reporter (Richard Priestaf)
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 24, 1946
Submitted by: legacy.reporter (Fred T. Thorne)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 21, 1964
Submitted by: legacy.reporter (Oakley Shields)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 18, 1918
Submitted by: legacy.reporter (W. E. Groth)
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
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