Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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 244 verified sightings
Observation date: Sep 01, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Sep 04, 2019
  Details
Observation date: Jul 22, 2019
Submitted by: ncrosbyrd
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Aug 26, 2019
  Details
Observation date: Jul 07, 2019
Submitted by: Christian.Nunes
Region: Weld County, Colorado, United States
Verified by: A_baldini
Verified date: Jul 12, 2019
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Observation date: Jul 06, 2019
Submitted by: jvkopple2
Region: South Dakota, United States
Verified by: J_Martineau
Verified date: Jul 11, 2019
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Observation date: Jul 02, 2019
Submitted by: jvkopple2
Region: Jackson County, South Dakota, United States
Verified by: J_Martineau
Verified date: Jul 10, 2019
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Observation date: Jun 20, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 24, 2019
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Observation date: Jul 16, 2009
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Mar 07, 2019
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Observation date: Jun 29, 2009
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 04, 2019
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Observation date: Jun 05, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 05, 2018
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Observation date: Jun 03, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 05, 2018
  Details
Observation date: Jun 29, 2009
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Mar 05, 2018
  Details
Observation date: Jul 09, 2014
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Feb 10, 2018
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Observation date: Jun 15, 2017
Submitted by: J_Martineau
Region: Weston County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 11, 2017
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Observation date: Jun 20, 2017
Submitted by: Eric Olson
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 28, 2017
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Observation date: Sep 06, 2017
Submitted by: satchmo0802
Region: Jackson County, South Dakota, United States
Verified by: J_Martineau
Verified date: Sep 14, 2017
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Observation date: Aug 14, 2017
Submitted by: Schuenemann
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 23, 2017
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Observation date: Jun 14, 2017
Submitted by: fotohiker
Region: Archuleta County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 06, 2017
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Observation date: Jun 19, 2017
Submitted by: joshuagsmith
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 27, 2017
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Observation date: Jun 16, 2016
Submitted by: J_Martineau
Region: Weston County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 10, 2017
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Observation date: Jun 16, 2015
Submitted by: wwittkop
Region: Johnson County, Wyoming, United States
Verified by: CA Ivy
Verified date: Dec 22, 2016
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Observation date: Aug 16, 2015
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 08, 2016
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Observation date: Aug 09, 2015
Submitted by: J_Martineau
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 06, 2016
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Observation date: Jun 12, 2015
Submitted by: spikeynick
Region: Denver County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 12, 2015
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Observation date: Jun 13, 2015
Submitted by: monad
Region: Custer County, South Dakota, United States
Verified by: J_Martineau
Verified date: Jun 18, 2015
  Details