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
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Verified Sightings
Displaying 1 - 24 of 263 verified sightings
Observation date: Jun 19, 2025
Submitted by: Kate McKay
Region: Alberta, Canada
Verified by: James Steen
Verified date: Jun 22, 2025
Observation date: Jun 09, 2025
Submitted by: ezeemonee
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 15, 2025
Observation date: Jun 16, 2024
Submitted by: Joshua C
Region: Union County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 19, 2025
Observation date: Jun 14, 2024
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 17, 2024
Observation date: Jul 25, 2024
Submitted by: ezeemonee
Region: Pennington County, South Dakota, United States
Verified by: stevekohler
Verified date: Jul 31, 2024
Observation date: Jul 25, 2024
Submitted by: ezeemonee
Region: Pennington County, South Dakota, United States
Verified by: stevekohler
Verified date: Jul 31, 2024
Observation date: May 29, 2024
Submitted by: Jon Kindschy
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 01, 2024
Observation date: Jun 06, 2024
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 10, 2024
Observation date: Jul 16, 2023
Submitted by: ezeemonee
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 17, 2023
Observation date: Sep 03, 2022
Submitted by: COA1955
Region: Morgan County, Colorado, United States
Verified by: mikefisher
Verified date: May 05, 2023
Observation date: Jun 29, 1996
Submitted by: mothman@telus.net
Region: Alberta, Canada
Verified by: Paul Prappas
Verified date: Feb 11, 2023
Observation date: Jul 24, 2020
Submitted by: Paul Prappas
Region: Alberta, Canada
Verified by: Paul Prappas
Verified date: Sep 18, 2022
Observation date: Jul 17, 2022
Submitted by: Varn
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 29, 2022
Observation date: Jul 17, 2022
Submitted by: Varn
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 28, 2022
Observation date: Jul 03, 2022
Submitted by: Eric Hartshaw
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 10, 2022
Observation date: Jun 09, 2022
Submitted by: Cascade Colors
Region: Douglas County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 02, 2022
Observation date: Jun 02, 2022
Submitted by: Cascade Colors
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 28, 2022
Observation date: Jun 06, 2022
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 10, 2022
Observation date: Jul 17, 2021
Submitted by: Moligale
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jan 27, 2022
Observation date: Jun 28, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Jun 28, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Jul 09, 2020
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Jun 04, 2020
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Jun 12, 2020
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 16, 2020
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