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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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.
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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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|---|---|---|---|---|---|
| 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 | |
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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 | |
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July 20, 2011 | mgiffen | Modoc County, California, United States | September 13, 2011 | Details |
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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 | |
| June 21, 1987 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| July 24, 1987 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| September 07, 1983 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | March 09, 2010 | Details | |
| June 21, 1987 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 25, 2010 | Details | |
| July 24, 1987 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 25, 2010 | Details | |
| September 07, 1983 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 25, 2010 | Details | |
| August 03, 1974 | legacy.reporter (S. & E. Mattoon) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| August 03, 1976 | legacy.reporter (S. & E. Mattoon) | Siskiyou County, California, United States | January 07, 2010 | Details |
