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We depend on donations to keep Butterflies and Moths of North America online and freely available.
If everyone who uses this resource gives a small amount, we could cover our ongoing costs, develop new features, and upgrade the system.
Please consider making a donation of $10, $50, $200, or whatever you can, and show your support for this valuable source of information. Thank you!
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.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 506 verified sightings

Observation date: May 28, 2020
Submitted by: pnesterenko
Region: El Paso County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 02, 2020

Observation date: Aug 24, 2020
Submitted by: Arctickb
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Aug 25, 2020

Observation date: Aug 13, 2020
Submitted by: Shearwater13
Region: Modoc County, California, United States
Verified by: Ken Davenport
Verified date: Aug 18, 2020

Observation date: Jul 31, 2020
Submitted by: GI JAG
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 07, 2020

Observation date: Jul 26, 2020
Submitted by: Shearwater13
Region: Okanogan County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 31, 2020

Observation date: Jul 19, 2020
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 20, 2020

Observation date: Jun 27, 2020
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 09, 2020

Observation date: Jul 05, 2020
Submitted by: ezeemonee
Region: California, United States
Verified by: Ken Davenport
Verified date: Jul 06, 2020

Observation date: Jul 03, 2020
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 06, 2020

Observation date: Jun 24, 2020
Submitted by: maholyoak
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jun 26, 2020

Observation date: Jul 30, 2016
Submitted by: karlkrause
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2020

Observation date: Jun 10, 2020
Submitted by: MAKI
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jun 18, 2020

Observation date: Jun 03, 2020
Submitted by: Brush_lady
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2020

Observation date: Jun 01, 2020
Submitted by: joeleahy
Region: Jefferson County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 06, 2020

Observation date: May 27, 2020
Submitted by: Zach Eckert
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 01, 2020

Observation date: Aug 25, 2019
Submitted by: tirvine2020
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 11, 2019

Observation date: Jun 16, 2012
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Nov 19, 2019

Observation date: Jul 14, 2016
Submitted by: gasigr
Region: Crook County, Oregon, United States
Verified by: Ken Davenport
Verified date: Nov 04, 2019

Observation date: Jun 29, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 04, 2019

Observation date: Sep 26, 2019
Submitted by: MAKI
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Oct 03, 2019

Observation date: Sep 05, 2019
Submitted by: Coronis
Region: Gallatin County, Montana, United States
Verified by: J_Martineau
Verified date: Sep 12, 2019

Observation date: Sep 09, 2019
Submitted by: sarabseth
Region: Alameda County, California, United States
Verified by: Ken Davenport
Verified date: Sep 10, 2019

Observation date: Jul 03, 2019
Submitted by: dabidaloca
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019

Observation date: Jun 25, 2019
Submitted by: Selwyn Quan
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Jun 28, 2019
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