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 244 verified sightings
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
Observation date: Jun 08, 2015
Submitted by: COA1955
Region: Morgan County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 28, 2020
Observation date: Jun 01, 2020
Submitted by: COA1955
Region: Morgan County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 28, 2020
Observation date: Jun 19, 2020
Submitted by: stevecary
Region: Archuleta County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 25, 2020
Observation date: Sep 12, 2020
Submitted by: COA1955
Region: Morgan County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 19, 2020
Observation date: Aug 24, 2020
Submitted by: pnesterenko
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 18, 2020
Observation date: Jun 20, 2020
Submitted by: mapfisher
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 11, 2020
Observation date: Jun 07, 2020
Submitted by: anneepierce
Region: Teller County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 19, 2020
Observation date: Jun 29, 2020
Submitted by: dbrudin
Region: El Paso County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 19, 2020
Observation date: Aug 05, 2020
Submitted by: Harry Forbes
Region: Park County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 12, 2020
Observation date: Jul 16, 2020
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 17, 2020
Observation date: Jun 12, 2020
Submitted by: pnesterenko
Region: El Paso County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 23, 2020
Observation date: Jul 22, 2019
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jan 13, 2020
Observation date: Aug 26, 2019
Submitted by: Kim_P
Region: Douglas County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 31, 2019
Observation date: Jul 07, 2019
Submitted by: jvkopple2
Region: Pennington County, South Dakota, United States
Verified by: stevekohler
Verified date: Nov 08, 2019
Observation date: Jul 07, 2019
Submitted by: jvkopple2
Region: Pennington County, South Dakota, United States
Verified by: stevekohler
Verified date: Nov 08, 2019
Observation date: Aug 25, 2019
Submitted by: Joey Bom
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Oct 06, 2019
Observation date: Jun 28, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 04, 2019
Observation date: Jun 24, 2019
Submitted by: WinterSax
Region: Costilla County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 21, 2019
Observation date: Sep 19, 2019
Submitted by: Janeal W. Thompson
Region: Prowers County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 21, 2019
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