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 97 - 120 of 273 verified sightings
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
Observation date: Mar 11, 1951
Submitted by: legacy.reporter (Robert Langston)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 25, 1972
Submitted by: legacy.reporter (T. Tolman)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 26, 1894
Submitted by: legacy.reporter (W. G. Wright)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 14, 1953
Submitted by: legacy.reporter (Jerry Powell)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 11, 1961
Submitted by: legacy.reporter (John S. Garth)
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 14, 1959
Submitted by: legacy.reporter (Chris Henne)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 14, 1964
Submitted by: legacy.reporter (Robert L. Langston)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: May 17, 1969
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, 1970
Submitted by: legacy.reporter (O. Shields, R. Wells)
Region: El Dorado County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 22, 1958
Submitted by: legacy.reporter (Lloyd Martin)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 24, 1965
Submitted by: legacy.reporter (J. Lane, C. Sekerman)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 30, 1929
Submitted by: legacy.reporter (John S. Garth)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 18, 1958
Submitted by: legacy.reporter (T. M. Blackman)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 05, 1955
Submitted by: legacy.reporter (R. W. Breedlove)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 26, 1968
Submitted by: legacy.reporter (David L. Bauer)
Region: El Dorado County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Feb 23, 1947
Submitted by: legacy.reporter (Robert L. Langston)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 22, 1931
Submitted by: legacy.reporter (John S. Garth)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 29, 1934
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: Mar 22, 1932
Submitted by: legacy.reporter (W. L. Swisher)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 23, 1951
Submitted by: legacy.reporter (C. MacNeill, R. Langston)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 15, 1962
Submitted by: legacy.reporter (R. M. Brown)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: May 08, 1970
Submitted by: legacy.reporter (Richard Priestaf)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 05, 1970
Submitted by: legacy.reporter (R. Wells)
Region: El Dorado County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
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