Great Basin Fritillary
Speyeria egleis (Behr, 1862)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Upperside bright to dull orange-brown with dark markings evenly spaced. Underside of hindwing has triangular, silver submarginal spots; other spots small with brown edging; spots may or may not be silvered.
Wing Span: 1 3/4 - 2 3/8 inches (4.5 - 6 cm).
Life History: Males patrol during the day for females, who lay eggs on leaf litter near violets. First-stage caterpillars hibernate unfed until spring, when they feed on violet leaves.
Flight: One brood from late June-August.
Caterpillar Hosts: Violets including Viola adunca, V. nuttallii, V. purpurea, and V. walteri.
Adult Food: Flower nectar.
Habitat: Mountain meadows, forest openings, exposed rocky ridges.
Range: North Dakota southwest through Oregon to California, south to Colorado.
Conservation: Not usually of concern but subspecies tehachapina has a very small range and could be devastated by a single event. Speyeria egleis tehachapina has The Nature Conservancy rank of T3 -Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range). Speyeria egleis as a whole has the The Nature Conservancy Global Rank of G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
NCGR:
Management Needs: Monitor subspecies tehachapina and evaluate for conservation action.
Comments: NULL
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Verified Sightings
Displaying 73 - 96 of 427 verified sightings
Observation date: Jul 12, 2013
Submitted by: Ann and Rob Simpson
Region: Tuolumne County, California, United States
Verified by: Ken Davenport
Verified date: Nov 01, 2013
Observation date: Aug 05, 2013
Submitted by: MAKI
Region: Tuolumne County, California, United States
Verified by: Ken Davenport
Verified date: Aug 08, 2013
Observation date: Jul 11, 1982
Submitted by: legacy.reporter (K Hansen-S. Mattoon)
Region: Elko County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 27, 1985
Submitted by: legacy.reporter (George T. Austin)
Region: Lyon County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 02, 2011
Submitted by: Nancy Lea Sandy
Region: Natrona County, Wyoming, United States
Verified by: kent
Verified date: Nov 26, 2012
Observation date: Jun 26, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 05, 2011
Submitted by: legacy.reporter (Ken Kertell)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 06, 2011
Submitted by: legacy.reporter (Ken Kertell)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 26, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 20, 2011
Submitted by: mgiffen
Region: Modoc County, California, United States
Verified by: Ken Davenport
Verified date: Sep 13, 2011
Observation date: Jun 08, 2011
Submitted by: Mothman72
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Sep 11, 2011
Observation date: Jul 14, 2007
Submitted by: legacy.reporter (William Bouton)
Region: Sierra County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Jul 03, 1961
Submitted by: legacy.reporter (unknown)
Region: Lassen County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Aug 05, 1965
Submitted by: legacy.reporter (John Lane)
Region: Lander County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 31, 1967
Submitted by: legacy.reporter (Peter Herlan)
Region: Lander County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 30, 1967
Submitted by: legacy.reporter (Bauer & Herlan)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 30, 1969
Submitted by: legacy.reporter (Emmel & Shields)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 02, 1967
Submitted by: legacy.reporter (John Lane)
Region: Lander County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 22, 1969
Submitted by: legacy.reporter (Emmel & Shields)
Region: Elko County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Aug 14, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jul 14, 2007
Submitted by: legacy.reporter (William Bouton)
Region: Sierra County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Aug 14, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Aug 14, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare 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
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