Mojave Dotted-Blue
Euphilotes mojave (Watson & W.P. Comstock, 1920)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male pale blue with narrow black borders; female blackish-brown with extensive blue at base. Hindwing has orange marginal hind restricted or absent. Underside similar to Pacific Dotted-Blue
Wing Span: 3/4 - 7/8 inches (1.9 - 2.3 cm).
Life History: Dotted Blues usually stay near their host plants. Males patrol around the host plants all day to find females. Eggs are laid singly on flowers or buds; caterpillars eat flowers and fruits and are tended by ants. Chrysalids hibernate in leaf litter.
Flight: One flight; Mid-March to June.
Caterpillar Hosts: Low Eriogonum species, E. pusillum and E. reniforme.
Adult Food: Flower nectar, especially from Eriogonum.
Habitat: Desert washes and sandy areas.
Range: Mojave Desert region of southeastern California, southern Nevada, southeastern Utah, and northwestern Arizona. A small isolated population in northern Baja California.
Conservation: Lives in a fragile habitat, increasingly being invaded by fire-susceptible cheatgrass.
NCGR: G2,G3 - for species imperiled because of rarity (6 to 20 occurrences), or because of other factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range). OR very rare or local throughout its range or found locally in a restricted range . Subspecies virginiensis Austin is of more dire conservation concern.
Management Needs: Conserve all habitats and maintain host plant populations for this species.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 80 verified sightings
Observation date: May 09, 2024
Submitted by: ASchmierer
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 16, 2024
Observation date: Apr 20, 2024
Submitted by: Seth Mueller
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 05, 2024
Observation date: Apr 20, 2023
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Apr 26, 2023
Observation date: Mar 28, 2021
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2021
Observation date: Mar 23, 2018
Submitted by: Bdog
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 15, 2018
Observation date: Apr 12, 1985
Submitted by: legacy.reporter (George T. Austin)
Region: Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 20, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 10, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 29, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Apr 05, 1988
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 18, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 07, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Apr 11, 2010
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: May 13, 1969
Submitted by: legacy.reporter (Peter Herlan)
Region: Lincoln County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Apr 11, 2010
Submitted by: legacy.reporter (Mike Stangeland & Kim Davis)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 11, 2010
Submitted by: legacy.reporter (Mike Stangeland & Kim Davis)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 11, 2010
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 11, 2010
Submitted by: legacy.reporter (Mike Stangeland & Kim Davis)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Apr 13, 1977
Submitted by: legacy.reporter (Bruce O'Hara)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 24, 1995
Submitted by: legacy.reporter (Jeffrey Glassberg)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Mar 27, 2004
Submitted by: legacy.reporter (F. Heath, H. Clarke)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 17, 1984
Submitted by: legacy.reporter (G. Pratt, G. Ballmer)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Apr 17, 1984
Submitted by: legacy.reporter (G. Pratt, G. Ballmer)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
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