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 169 - 192 of 273 verified sightings
Observation date: Mar 02, 1965
Submitted by: legacy.reporter (N. La Due)
Region: Placer County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Mar 12, 1960
Submitted by: legacy.reporter (D. Dirks, O. Shields)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 10, 1984
Submitted by: legacy.reporter (W. G. Wright)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 04, 1932
Submitted by: legacy.reporter (V. L. Clemence)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 21, 1956
Submitted by: paulopler (Paul Opler)
Region: Monterey County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 06, 1932
Submitted by: legacy.reporter (V. L. Clemence)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 26, 1935
Submitted by: legacy.reporter (V. L. Clemence)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: May 11, 1964
Submitted by: legacy.reporter (R. M. Brown)
Region: Monterey County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 13, 1932
Submitted by: legacy.reporter (V. L. Clemence)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 14, 1963
Submitted by: legacy.reporter (D. W. Conard)
Region: Monterey County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 05, 1935
Submitted by: legacy.reporter (V. L. Clemence)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 07, 1962
Submitted by: legacy.reporter (J. H. Schosanski)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Feb 12, 1955
Submitted by: legacy.reporter (J. W. Tilden)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 31, 1962
Submitted by: legacy.reporter (D. C. Rentz)
Region: San Benito County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 15, 1961
Submitted by: legacy.reporter (J. H. Schosanski)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Apr 18, 1962
Submitted by: legacy.reporter (D. Engelder)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 07, 1959
Submitted by: legacy.reporter (Robert L. Langston)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 09, 1956
Submitted by: legacy.reporter (D. Burdick)
Region: Stanislaus County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 24, 1962
Submitted by: legacy.reporter (Engelder & Schosanski)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 16, 1940
Submitted by: legacy.reporter (J. W. Tilden)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: May 04, 1952
Submitted by: legacy.reporter (T. W. Davies)
Region: Monterey County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Mar 12, 1961
Submitted by: legacy.reporter (P. C. Engelder)
Region: Santa Clara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Feb 13, 1961
Submitted by: legacy.reporter (D. Dirks & O. Shields)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Feb 28, 1998
Submitted by: legacy.reporter (Jeffrey Glassberg)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
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