Attributes of Philotes sonorensis

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.
Taxonomy Notes:

Images of Philotes sonorensis

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Philotes sonorensis - 3458_66.jpg

Philotes sonorensis - 3458_66.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
March 11, 2014 mmjdelgado Santa Barbara County, California, United States April 27, 2014 Details
February 27, 2014 Robert Gorman Riverside County, California, United States March 02, 2014 Details
February 05, 2014 Robert Gorman Riverside County, California, United States February 07, 2014 Details
April 04, 2012 Robert Gorman Orange County, California, United States November 05, 2013 Details
March 02, 2013 ALCY San Benito County, California, United States March 30, 2013 Details
March 17, 1950 legacy.reporter (unknown) Los Angeles County, California, United States May 01, 2011 Details
March 05, 2005 legacy.reporter (William Bouton) San Luis Obispo County, California, United States May 01, 2011 Details
April 08, 2010 legacy.reporter (Jim Brock) Ventura County, California, United States December 31, 2010 Details
April 14, 1964 legacy.reporter (N. LaDue) Mariposa County, California, United States December 31, 2010 Details
April 03, 2010 legacy.reporter (Mark Walker) Riverside County, California, United States December 31, 2010 Details
April 16, 2010 Ken Davenport (Ken Davenport) Kern County, California, United States December 31, 2010 Details
May 07, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
April 03, 2010 legacy.reporter (Mark Walker) Riverside County, California, United States December 31, 2010 Details
April 08, 2010 legacy.reporter (Jim Brock) Ventura County, California, United States December 31, 2010 Details
April 16, 2010 Ken Davenport (Ken Davenport) Kern County, California, United States December 31, 2010 Details
May 07, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
April 03, 2010 legacy.reporter (Mark Walker) Riverside County, California, United States December 31, 2010 Details
April 08, 2010 legacy.reporter (Jim Brock) Ventura County, California, United States December 31, 2010 Details
April 16, 2010 Ken Davenport (Ken Davenport) Kern County, California, United States December 31, 2010 Details
May 07, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
February 19, 2011 legacy.reporter (unknown) Los Angeles County, California, United States December 31, 2010 Details
March 05, 2005 legacy.reporter (William Bouton) San Luis Obispo County, California, United States December 31, 2010 Details
February 26, 1991 legacy.reporter (A. M. Shapiro) Nevada County, California, United States August 02, 2010 Details
June 03, 1991 legacy.reporter (G. Ballmer, J. Emmel) San Diego County, California, United States August 02, 2010 Details
February 13, 1988 legacy.reporter (Robert L. Langston) Placer County, California, United States August 02, 2010 Details
February 24, 1988 legacy.reporter (A. M. Shapiro) Nevada County, California, United States August 02, 2010 Details
April 23, 1987 legacy.reporter (R. Coyle, J. Mori) Tuolumne County, California, United States April 02, 2010 Details
April 24, 1982 legacy.reporter (R. Skalski) San Luis Obispo County, California, United States March 09, 2010 Details
April 04, 1979 legacy.reporter (R. Langston, R. Wells) Amador County, California, United States March 09, 2010 Details
April 05, 1979 legacy.reporter (Ralph Wells) Calaveras County, California, United States March 09, 2010 Details
February 26, 1999 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
March 11, 2003 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
March 26, 1999 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
March 17, 1951 legacy.reporter (R. L. Langston) San Diego County, California, United States January 07, 2010 Details
March 03, 1956 legacy.reporter (F. T. Thorne) San Diego County, California, United States January 07, 2010 Details
March 05, 1960 legacy.reporter (Richard Breedlove) San Diego County, California, United States January 07, 2010 Details
March 25, 1951 legacy.reporter (F. T. Thorne) San Diego County, California, United States January 07, 2010 Details
March 11, 1951 legacy.reporter (Robert Langston) San Diego County, California, United States January 07, 2010 Details
March 04, 1956 legacy.reporter (Oscar Sette) San Diego County, California, United States January 07, 2010 Details
February 24, 1946 legacy.reporter (Fred T. Thorne) San Diego County, California, United States January 07, 2010 Details
March 14, 1953 legacy.reporter (Jerry Powell) San Diego County, California, United States January 07, 2010 Details
March 03, 1956 legacy.reporter (Oscar Sette) San Diego County, California, United States January 07, 2010 Details
February 21, 1964 legacy.reporter (Oakley Shields) San Diego County, California, United States January 07, 2010 Details
March 06, 1949 legacy.reporter (David L. Bauer) San Diego County, California, United States January 07, 2010 Details
April 16, 1961 legacy.reporter (V. Chang) San Luis Obispo County, California, United States January 07, 2010 Details
February 25, 1972 legacy.reporter (T. Tolman) San Luis Obispo County, California, United States January 07, 2010 Details
March 24, 1973 legacy.reporter (Richard Priestaf) Santa Barbara County, California, United States January 07, 2010 Details
February 23, 1971 legacy.reporter (Richard Priestaf) Santa Barbara County, California, United States January 07, 2010 Details
March 11, 1961 legacy.reporter (John S. Garth) Santa Barbara County, California, United States January 07, 2010 Details
February 21, 1971 legacy.reporter (Richard Priestaf) Santa Barbara County, California, United States January 07, 2010 Details