Ellis' Dotted-Blue
Euphilotes ellisi (Shields, 1975)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Male blue above with narrow black outer borders and narrow pink band on outer edge of hindwing. Female brown or with extensive blue. Orange hindwing band moderate to small. Underside of forewing has submarginal row of dark spots smudged and continuous red-orange band on outer margin of hindwing.
Wing Span: 3/4 - 7/8 inches (1.9 - 2.2 cm).
Life History: Males patrol all day near host plants to find receptive females. Eggs are laid singly on host plant flowers; caterpillars eat flowers and fruits, and are protected by ants. Chrysalids hibernate in sand or leaf litter.
Flight: One flight from mid-July to early September.
Caterpillar Hosts: Corybose and Heerman buckwheats.
Adult Food: Flower nectar especially that from Eriogonum species.
Habitat: Dry rocky or gravelly slopes or flats.
Range: Utah and western Colorado south to northwestern New Mexico and n. Arizona. Also western Nevada and eastern California.
Conservation: All or most populations are or may be susceptible to invasion and decline due to 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 . All named subspecies are of conservation concern.
Management Needs: Maintain habitat together with host plants of all known populations. Monitor populations and presence of invasive weeds, especially cheatgrass.
Comments: NULL
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Verified Sightings
Displaying 25 - 42 of 42 verified sightings
Observation date: Sep 13, 1977
Submitted by: legacy.reporter (John F. Emmel)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Feb 01, 2010
Observation date: Sep 17, 1970
Submitted by: legacy.reporter (Oakley Shields)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 16, 2009
Observation date: Sep 20, 1993
Submitted by: Ken Davenport (Ken Davenport)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 16, 2009
Observation date: Aug 04, 1999
Submitted by: legacy.reporter (Ray E. Stanford)
Region: Navajo County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: unknown
Submitted by: legacy.reporter
Region: Lander County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Coconino County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Storey County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mesa County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: San Juan County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Churchill County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Navajo County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mineral County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Garfield County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Kane County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lyon County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: San Bernardino County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Grand County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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