Attributes of Speyeria egleis

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.
Taxonomy Notes:

Images of Speyeria egleis

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Speyeria egleis - 3820_05.jpg

Speyeria egleis - 3820_05.jpg

The map below displays all BAMONA data for this species and has three different data layers:
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Observation Date Submitter Region Verified Datesort icon
August 08, 2016 yardbird Tuolumne County, California, United States August 16, 2016 Details
June 29, 2015 pdxgene711 Jefferson County, Oregon, United States June 30, 2015 Details
August 11, 2014 plex1ppus Mineral County, Montana, United States August 19, 2014 Details
July 30, 2014 bwilliams Missoula County, Montana, United States August 18, 2014 Details
July 30, 2014 bwilliams Missoula County, Montana, United States August 18, 2014 Details
July 30, 2014 bwilliams Missoula County, Montana, United States August 18, 2014 Details
July 12, 2013 Ann and Rob Simpson Tuolumne County, California, United States November 01, 2013 Details
August 05, 2013 MAKI Tuolumne County, California, United States August 08, 2013 Details
July 11, 1982 legacy.reporter (K Hansen-S. Mattoon) Elko County, Nevada, United States December 01, 2012 Details
June 27, 1985 legacy.reporter (George T. Austin) Lyon County, Nevada, United States December 01, 2012 Details
August 02, 2011 Nancy Lea Sandy Natrona County, Wyoming, United States November 26, 2012 Details
June 26, 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 05, 2011 legacy.reporter (Ken Kertell) White Pine County, Nevada, United States January 01, 2012 Details
July 06, 2011 legacy.reporter (Ken Kertell) White Pine County, Nevada, United States January 01, 2012 Details
July 20, 2011 mgiffen Modoc County, California, United States September 13, 2011 Details
June 08, 2011 Mothman72 Washoe County, Nevada, United States September 11, 2011 Details
July 03, 1961 legacy.reporter (unknown) Lassen County, California, United States May 01, 2011 Details
July 14, 2007 legacy.reporter (William Bouton) Sierra County, California, United States May 01, 2011 Details
August 05, 1965 legacy.reporter (John Lane) Lander County, Nevada, United States January 01, 2011 Details
July 30, 1967 legacy.reporter (Bauer & Herlan) White Pine County, Nevada, United States January 01, 2011 Details
July 02, 1967 legacy.reporter (John Lane) Lander County, Nevada, United States January 01, 2011 Details
July 31, 1967 legacy.reporter (Peter Herlan) Lander County, Nevada, United States January 01, 2011 Details
July 30, 1969 legacy.reporter (Emmel & Shields) White Pine County, Nevada, United States January 01, 2011 Details
July 22, 1969 legacy.reporter (Emmel & Shields) Elko County, Nevada, United States January 01, 2011 Details
August 14, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
August 14, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
August 14, 2010 Ken Davenport (Ken Davenport) Tulare County, California, United States December 31, 2010 Details
July 14, 2007 legacy.reporter (William Bouton) Sierra County, California, United States December 31, 2010 Details
August 12, 1984 legacy.reporter (R. Langston, D. Parkinson) Alpine County, California, United States April 02, 2010 Details
September 07, 1983 legacy.reporter (R. Kelson, A. Shapiro) Siskiyou County, California, United States April 02, 2010 Details
June 25, 1976 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
July 09, 1977 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
July 12, 1979 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
July 12, 1979 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 16, 1979 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
September 20, 1979 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 06, 1978 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 06, 1978 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
August 27, 1979 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 27, 1979 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
September 16, 1978 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 10, 1976 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
August 27, 1976 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
September 05, 1976 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
September 07, 1976 legacy.reporter (A. M. Shapiro) Siskiyou County, California, United States March 09, 2010 Details
September 30, 1976 legacy.reporter (A. M. Shapiro) Trinity County, California, United States March 09, 2010 Details
June 28, 1981 legacy.reporter (Sterling Mattoon) Del Norte County, California, United States March 09, 2010 Details
July 11, 1986 legacy.reporter (Laurence Crabtree) Shasta County, California, United States March 09, 2010 Details
June 13, 1987 legacy.reporter (Laurence Crabtree) Plumas County, California, United States March 09, 2010 Details