Attributes of Plebejus lupini
Lupine Blue
Plebejus lupini (Boisduval, 1869)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male lilac blue with wide dark borders; female dark brown. Band at hindwing outer margin wide, orange-red, in male may be divided into separate chevrons.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Life History: Males patrol near the host plants for females. Eggs are laid singly on flowers, which the caterpillars eat. Second-stage caterpillars hibernate.
Flight: In the Sierra Nevada of California, one flight from June-August; elsewhere, several flights from March-July.
Caterpillar Hosts: Several species of perennial wild buckwheat including sulfur flower (Eriogonum umbellatum) and flat top (Eriogonum fasciculatum) in the buckwheat family (Polygonaceae).
Adult Food: Flower nectar.
Habitat: Alpine slopes, mountain meadows and slopes, prairies, rocky outcrops, chaparral, and sagebrush.
Range: Southwestern Canada south through much of mountainous and intermountain West and high plains to northern Mexico.
Conservation: Several populations, some unnamed, are highly local, and are of conservation concern.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: Monitor status of populations, conserve habitats, and be vigilant for effects of exotic weeds.
Taxonomy Notes:
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.
Instructions: Click on the map and move your mouse to pan.
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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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| June 25, 1982 | legacy.reporter (Oakley Shields) | Churchill County, Nevada, United States | December 01, 2012 | Details | |
| July 16, 1982 | legacy.reporter (John F. Emmel) | Nye County, Nevada, United States | December 01, 2012 | Details | |
| July 06, 1990 | legacy.reporter (Bruce O'Hara) | Carson City County, Nevada, United States | December 01, 2012 | Details | |
| July 24, 1996 | legacy.reporter (John B. Vernon) | Humboldt County, Nevada, United States | December 01, 2012 | Details | |
| May 14, 1992 | legacy.reporter (Ray Stanford) | Gila County, Arizona, United States | December 01, 2012 | Details | |
| March 28, 1971 | legacy.reporter (unknown) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| October 26, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
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September 08, 2012 | Jeff Trahan | Cochise County, Arizona, United States | September 23, 2012 | Details |
| July 03, 2012 | eal79 | Tulare County, California, United States | July 16, 2012 | Details | |
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July 04, 2012 | eal79 | Tulare County, California, United States | July 16, 2012 | Details |
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June 10, 2012 | carrie.munill | Baker County, Oregon, United States | June 19, 2012 | Details |
| May 06, 2012 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | January 01, 2012 | Details | |
| July 24, 1996 | legacy.reporter (John B. Vernon) | Humboldt County, Nevada, United States | January 01, 2012 | Details | |
| June 27, 2012 | Ken Davenport (Ken Davenport) | Mono County, California, United States | January 01, 2012 | Details | |
| June 26, 2012 | Ken Davenport (Ken Davenport) | Mono County, California, United States | January 01, 2012 | Details | |
| July 09, 2011 | legacy.reporter (Ken Kertell) | White Pine County, Nevada, United States | January 01, 2012 | Details | |
| July 12, 2008 | RaisingButterflies.org | Davis County, Utah, United States | November 28, 2011 | Details | |
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August 15, 2011 | Jdammarell | Lincoln County, Washington, United States | August 19, 2011 | Details |
| August 16, 2011 | Jdammarell | Spokane County, Washington, United States | August 19, 2011 | Details | |
| July 13, 1991 | legacy.reporter (Jim Brock) | Tuolumne County, California, United States | May 01, 2011 | Details | |
| March 31, 1950 | legacy.reporter (unknown) | Los Angeles County, California, United States | May 01, 2011 | Details | |
| July 14, 1921 | legacy.reporter (F. H. Chermock) | Sierra County, California, United States | May 01, 2011 | Details | |
| July 05, 1980 | legacy.reporter (unknown) | Nevada County, California, United States | May 01, 2011 | Details | |
| July 27, 1966 | legacy.reporter (S. Ellis & S. Johnson) | Tulare County, California, United States | May 01, 2011 | Details | |
| June 29, 1969 | legacy.reporter (unknown) | San Bernardino County, California, United States | May 01, 2011 | Details | |
| June 12, 1917 | legacy.reporter (unknown) | Riverside County, California, United States | May 01, 2011 | Details | |
| June 01, 2009 | legacy.reporter (John Lane) | Plumas County, California, United States | May 01, 2011 | Details | |
| May 06, 2011 | Ken Davenport (Ken Davenport) | Kern County, California, United States | May 01, 2011 | Details | |
| August 17, 2011 | Ken Davenport (Ken Davenport) | Mono County, California, United States | May 01, 2011 | Details | |
| May 07, 2011 | Ken Davenport (Ken Davenport) | Monterey County, California, United States | May 01, 2011 | Details | |
| October 08, 1993 | Ken Davenport (Ken Davenport) | Clark County, Nevada, United States | May 01, 2011 | Details | |
| June 19, 2006 | Ken Davenport (Ken Davenport) | Esmeralda County, Nevada, United States | May 01, 2011 | Details | |
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September 25, 2010 | plex1ppus (plex1ppus) | Spokane County, Washington, United States | April 06, 2011 | Details |
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August 10, 2005 | anthony.thomas | Arizona, United States | January 25, 2011 | Details |
| July 10, 1995 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| April 24, 1982 | Ken Davenport (Ken Davenport) | Santa Cruz County, Arizona, United States | January 01, 2011 | Details | |
| June 04, 2011 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| October 01, 1988 | Ken Davenport (Ken Davenport) | Mohave County, Arizona, United States | January 01, 2011 | Details | |
| October 02, 1978 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| July 04, 1984 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| March 06, 1973 | legacy.reporter (Clifford D. Ferris) | Santa Cruz County, Arizona, United States | January 01, 2011 | Details | |
| June 04, 1973 | legacy.reporter (Clifford D. Ferris) | Cochise County, Arizona, United States | January 01, 2011 | Details | |
| July 10, 1993 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| June 04, 1989 | Ken Davenport (Ken Davenport) | Mohave County, Arizona, United States | January 01, 2011 | Details | |
| September 29, 2003 | Ken Davenport (Ken Davenport) | Mohave County, Arizona, United States | January 01, 2011 | Details | |
| August 01, 1994 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| July 07, 2007 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| June 16, 2000 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| May 03, 1995 | Ken Davenport (Ken Davenport) | Mohave County, Arizona, United States | January 01, 2011 | Details | |
| June 23, 2010 | legacy.reporter (Paul Opler and EviBuckner-Opler ) | Humboldt County, Nevada, United States | December 31, 2010 | Details |







