Coronis Fritillary
Speyeria coronis (Behr, 1864)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Upperside tawny to orange-brown with black markings. Underside of hindwing with inwardly rounded silver spots in marginal row; other silver spots are elongated.
Wing Span: 2 - 3 3/8 inches (5 - 8.6 cm).
Life History: Males patrol open areas to find females. Females may delay egg-laying until late summer. Eggs are laid singly on litter near violets. First-stage caterpillars overwinter unfed; in the spring they feed on violet leaves.
Flight: One flight from mid-June to September.
Caterpillar Hosts: Violets including Viola nuttallii, V. purpurea, V. douglasii, and V. beckwithii.
Adult Food: Flower nectar.
Habitat: Mountain slopes, foothills, prairie valleys, chaparral, sagebrush, forest openings.
Range: Southern Washington east through the Great Basin to central South Dakota, Wyoming, Nebraska, and Colorado; south through Nevada and California to northwest Baja California Norte.
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.
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Verified Sightings
Displaying 1 - 24 of 628 verified sightings
Observation date: Aug 16, 2025
Submitted by: J_Martineau
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 16, 2026
Observation date: Jul 09, 2025
Submitted by: Ed Rothwell
Region: Boise County, Idaho, United States
Verified by: stevekohler
Verified date: Jan 03, 2026
Observation date: Aug 31, 2025
Submitted by: madamirie
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport
Verified date: Sep 01, 2025
Observation date: Aug 31, 2025
Submitted by: madamirie
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport
Verified date: Sep 01, 2025
Observation date: Aug 31, 2025
Submitted by: madamirie
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport
Verified date: Sep 01, 2025
Observation date: Jul 12, 2019
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 04, 2025
Observation date: Jun 17, 2025
Submitted by: madamirie
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport
Verified date: Jul 21, 2025
Observation date: Jul 07, 2025
Submitted by: Buddy Mays
Region: Jefferson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 08, 2025
Observation date: Jun 01, 2025
Submitted by: ezeemonee
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 08, 2025
Observation date: Sep 01, 2022
Submitted by: Lauenstein
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport
Verified date: Jun 04, 2025
Observation date: May 23, 1985
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: May 11, 2025
Observation date: Jun 10, 2016
Submitted by: Buddy Mays
Region: Jefferson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 08, 2025
Observation date: Sep 26, 2020
Submitted by: OhioHick
Region: Uintah County, Utah, United States
Verified by: James Steen
Verified date: Feb 12, 2025
Observation date: Oct 09, 2024
Submitted by: MOTH-BOI
Region: Alameda County, California, United States
Verified by: Ken Davenport
Verified date: Oct 10, 2024
Observation date: Aug 12, 2024
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 15, 2024
Observation date: Jul 28, 2024
Submitted by: Creedo
Region: Garfield County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 29, 2024
Observation date: Jun 25, 2024
Submitted by: Lupine1
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 13, 2024
Observation date: Jul 14, 2012
Submitted by: Alison Davies
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 12, 2024
Observation date: Jul 17, 2024
Submitted by: pgericks
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 07, 2024
Observation date: Aug 07, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 07, 2024
Observation date: Jun 29, 2024
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 25, 2024
Observation date: Jul 08, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 16, 2024
Observation date: Jul 04, 2024
Submitted by: hasfitz5
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2024
Observation date: Jun 28, 2024
Submitted by: Luna-Linuche.76
Region: Klamath County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 30, 2024
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