Attributes of Plebejus emigdionis
San Emigdio Blue
Plebejus emigdionis (F. Grinnell, 1905)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male pale blue with wide brown border; hindwing with faint orange band at outer margin. Female brown with blue at wing bases and orange bands near outer margins. Underside of both sexes white with many small black spots; forewing postmedian band has 2 elongated spots.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Life History: Eggs are laid singly on leaves of the host plant. Caterpillars eat leaves and are tended by ants. Older caterpillars hibernate.
Flight: Three flights from April-September.
Caterpillar Hosts: Shadscale (Atriplex canescens) in the goosefoot family (Chenopodiaceae).
Adult Food: Not reported.
Habitat: Shadscale scrub in desert canyons and near washes.
Range: Very local in southern California from Inyo County south through the Mojave Desert, San Joaquin Valley, Bouquet and Mint Canyons, and Los Angeles County.
Conservation: Habitat of all populations should be monitored or conserved.
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: Maintain habitat and protect from non-indigenous plants.
Taxonomy Notes:
Images of Plebejus emigdionis
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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
| April 29, 2012 | Ken Davenport (Ken Davenport) | Kern County, California, United States | January 01, 2012 | Details | |
| May 06, 2012 | legacy.reporter (Rob Santry) | Inyo County, California, United States | January 01, 2012 | Details | |
| May 10, 1981 | legacy.reporter (John Pasko) | Los Angeles County, California, United States | December 31, 2010 | Details | |
| May 17, 1981 | legacy.reporter (John Pasko) | Los Angeles County, California, United States | December 31, 2010 | Details | |
| May 10, 1981 | legacy.reporter (John Pasko) | Los Angeles County, California, United States | December 31, 2010 | Details | |
| May 17, 1981 | legacy.reporter (John Pasko) | Los Angeles County, California, United States | December 31, 2010 | Details | |
| May 30, 1983 | legacy.reporter (R. Skalski) | San Bernardino County, California, United States | April 02, 2010 | Details | |
| August 29, 1983 | legacy.reporter (D. Parkinson) | San Bernardino County, California, United States | April 02, 2010 | Details | |
| April 28, 1977 | legacy.reporter (Bruce O'Hara) | Los Angeles County, California, United States | January 07, 2010 | Details | |
| July 05, 1968 | legacy.reporter (John Emmel, O. Shields) | Inyo County, California, United States | January 06, 2010 | Details | |
| August 28, 1965 | legacy.reporter (Oakley Shields & J. Emmel) | Inyo County, California, United States | January 06, 2010 | Details | |
| April 10, 1960 | legacy.reporter (O. Sette, J. Montgomery, F. Thorne) | San Bernardino County, California, United States | January 05, 2010 | Details | |
| April 22, 1995 | legacy.reporter (Jeffrey Glassberg) | Los Angeles County, California, United States | January 05, 2010 | Details | |
| May 28, 1922 | legacy.reporter (J. A. Comstock) | San Bernardino County, California, United States | January 05, 2010 | Details | |
| May 01, 1921 | legacy.reporter (J. A. Comstock) | Los Angeles County, California, United States | January 05, 2010 | Details | |
| April 17, 1995 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| May 10, 2009 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 13, 1932 | legacy.reporter (J. L. Sperry) | San Bernardino County, California, United States | October 19, 2009 | Details | |
| May 01, 1960 | legacy.reporter (John Emmel) | Los Angeles County, California, United States | October 19, 2009 | Details | |
| May 17, 1929 | legacy.reporter (C. Dammers) | San Bernardino County, California, United States | October 19, 2009 | Details | |
| June 15, 1975 | legacy.reporter (Jim Brock) | Kern County, California, United States | October 19, 2009 | Details | |
| June 14, 1980 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 23, 1981 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| September 11, 1981 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 23, 2005 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| September 27, 2008 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 25, 2004 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 23, 2005 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| August 26, 1988 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| September 15, 1988 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| April 25, 1989 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| May 22, 1995 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| July 18, 1998 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| June 12, 2002 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| September 24, 2005 | Ken Davenport (Ken Davenport) | Kern County, California, United States | October 19, 2009 | Details | |
| May 02, 1994 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | October 19, 2009 | Details | |
| September 22, 1997 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | October 19, 2009 | Details | |
| May 28, 1983 | Ken Davenport (Ken Davenport) | San Luis Obispo County, California, United States | October 19, 2009 | Details | |
| June 10, 1983 | Ken Davenport (Ken Davenport) | San Luis Obispo County, California, United States | October 19, 2009 | Details | |
| May 02, 1980 | Ken Davenport (Ken Davenport) | San Bernardino County, California, United States | October 19, 2009 | Details | |
| June 15, 1957 | legacy.reporter (J. W. Tilden) | San Bernardino County, California, United States | October 15, 2009 | Details | |
| May 10, 2009 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 18, 2009 | Details | |
| April 25, 2009 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 18, 2009 | Details | |
| January 01, 1950 | legacy.reporter | Inyo County, California, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | San Luis Obispo County, California, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Kern County, California, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | San Bernardino County, California, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Ventura County, California, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Los Angeles County, California, United States | December 31, 2004 | Details |
