Edwards' Fritillary
Speyeria edwardsii (Reakirt, 1866)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Upperside of both wings tawny orange with black border and markings. Underside green or gray-green with narrow buff submarginal band and metallic silver markings.
Wing Span: 2 1/2 - 3 3/8 inches (6.3 - 8.6 cm).
Life History: Males patrol in open areas for females. Females lay eggs on litter near violets. First-stage unfed caterpillars hibernate; in the spring they eat host plant leaves.
Flight: One brood from late June to early September.
Caterpillar Hosts: Violets including Viola nuttallii and V. adunca.
Adult Food: Flower nectar.
Habitat: Short-grass prairie, foothills, meadows, fields, road edges.
Range: Short-grass prairie and western Rocky Mountains from southern Alberta east to the central Dakotas and western Nebraska, then south to northeastern New Mexico.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Verified Sightings
Displaying 25 - 48 of 224 verified sightings
Observation date: Aug 16, 2015
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 08, 2016
Observation date: Aug 09, 2015
Submitted by: J_Martineau
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 06, 2016
Observation date: Jun 12, 2015
Submitted by: spikeynick
Region: Denver County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 12, 2015
Observation date: Jun 13, 2015
Submitted by: monad
Region: Custer County, South Dakota, United States
Verified by: J_Martineau
Verified date: Jun 18, 2015
Observation date: Jul 23, 2014
Submitted by: bellhanley
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: May 27, 2015
Observation date: Jun 01, 2014
Submitted by: Eric Olson
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 31, 2014
Observation date: Jul 06, 2014
Submitted by: uschock
Region: Pennington County, South Dakota, United States
Verified by: J_Martineau
Verified date: Jul 23, 2014
Observation date: Aug 18, 2013
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 12, 2014
Observation date: Sep 05, 2013
Submitted by: sagebird52
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 06, 2013
Observation date: Aug 07, 2008
Submitted by: stomlins701
Region: Custer County, South Dakota, United States
Verified by: kent
Verified date: Jul 15, 2013
Observation date: Jun 20, 2012
Submitted by: COA1955
Region: Morgan County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 21, 2012
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jul 26, 1992
Submitted by: legacy.reporter (K. Bagdonas)
Region: Washakie County, Wyoming, United States
Verified by: legacy.verifier (P.A. Opler)
Verified date: Mar 09, 2010
Observation date: Aug 19, 2009
Submitted by: legacy.reporter (Norma Erickson)
Region: Weld County, Colorado, United States
Verified by: paulopler (Paul Opler)
Verified date: Oct 16, 2009
Observation date: Aug 19, 2009
Submitted by: legacy.reporter (Norma Erickson)
Region: Weld County, Colorado, United States
Verified by: paulopler (Paul Opler)
Verified date: Sep 24, 2009
Observation date: Aug 25, 2008
Submitted by: legacy.reporter (Paul Opler and Joe Mammoser)
Region: Larimer County, Colorado, United States
Verified by: paulopler (Paul Opler)
Verified date: Sep 29, 2008
Observation date: Aug 23, 2008
Submitted by: legacy.reporter (Paul Opler and Joe Mammoser)
Region: Larimer County, Colorado, United States
Verified by: paulopler (Paul Opler)
Verified date: Sep 29, 2008
Observation date: Jun 19, 2007
Submitted by: stevekohler (Steve Kohler)
Region: Silver Bow County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 19, 2007
Submitted by: stevekohler (Steve Kohler)
Region: Deer Lodge County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Aug 14, 2003
Submitted by: stevekohler (Steve Kohler)
Region: Richland County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Aug 21, 1986
Submitted by: stevekohler (Steve Kohler)
Region: Treasure County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 28, 2006
Submitted by: stevekohler (Steve Kohler)
Region: Daniels County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Aug 27, 2003
Submitted by: stevekohler (Steve Kohler)
Region: Roosevelt County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 25, 2004
Submitted by: stevekohler (Steve Kohler)
Region: McCone County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
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