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 1 - 24 of 212 verified sightings
Observation date: Jun 05, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 05, 2018
Observation date: Jun 03, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 05, 2018
Observation date: Jun 29, 2009
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Mar 05, 2018
Observation date: Jul 09, 2014
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Feb 10, 2018
Observation date: Jun 15, 2017
Submitted by: J_Martineau
Region: Weston County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 11, 2017
Observation date: Jun 20, 2017
Submitted by: ColoradEO
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 28, 2017
Observation date: Sep 06, 2017
Submitted by: satchmo0802
Region: Jackson County, South Dakota, United States
Verified by: J_Martineau
Verified date: Sep 14, 2017
Observation date: Aug 14, 2017
Submitted by: Schuenemann
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 23, 2017
Observation date: Jun 14, 2017
Submitted by: fotohiker
Region: Archuleta County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 06, 2017
Observation date: Jun 19, 2017
Submitted by: joshuagsmith
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 27, 2017
Observation date: Jun 16, 2016
Submitted by: J_Martineau
Region: Weston County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 10, 2017
Observation date: Jun 16, 2015
Submitted by: wwittkop
Region: Johnson County, Wyoming, United States
Verified by: CA Ivy
Verified date: Dec 22, 2016
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: ColoradEO
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
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