Mormon Fritillary
Speyeria mormonia (Boisduval, 1869)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Small, with large rounded antennal clubs. Upperside tawny to orange-brown; male with no black scales on veins. Underside of hindwing orange-brown; base sometimes slightly darker or greenish. Spots are usually silvered.
Wing Span: 1 1/2 - 2 3/8 inches (3.8 - 6.1 cm).
Life History: Males patrol near the ground in open areas for females. Eggs are laid singly on leaf litter near host plants. Caterpillars hatch but do not feed, hibernating until spring when they eat the host leaves.
Flight: One flight from June-September.
Caterpillar Hosts: Violets including Viola adunca, V. nuttallii, V. nephrophylla, and V. palustris.
Adult Food: Nectar from a variety of flowers including goldenrod.
Habitat: Mountain meadows and fell-fields, moist prairie valleys, subarctic forest openings.
Range: Western mountains from southern Alaska south and east to Manitoba and the Dakotas; south to central California, eastern Nevada, southeastern Arizona, and northern New Mexico.
Conservation: Not usually of concern.
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 193 - 216 of 699 verified sightings
Observation date: Jul 25, 2018
Submitted by: DavidLRoper
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 13, 2018
Observation date: Jul 14, 2018
Submitted by: Christian.Nunes
Region: Moffat County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 13, 2018
Observation date: Jul 11, 2018
Submitted by: taogirl
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 12, 2018
Observation date: Aug 10, 2017
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 11, 2018
Observation date: Aug 09, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 11, 2018
Observation date: Aug 09, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 11, 2018
Observation date: Jul 12, 2018
Submitted by: Jon Kindschy
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 10, 2018
Observation date: Jun 20, 2018
Submitted by: Jon Kindschy
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 10, 2018
Observation date: Jul 03, 2018
Submitted by: jetboulder@aol.com
Region: Chaffee County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 10, 2018
Observation date: Jul 03, 2018
Submitted by: catwood55
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 10, 2018
Observation date: Jul 28, 2018
Submitted by: Lisahug
Region: Elko County, Nevada, United States
Verified by: Ken Davenport
Verified date: Aug 04, 2018
Observation date: Aug 06, 2016
Submitted by: Team Kweeper
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Jul 20, 2018
Observation date: Jul 20, 2017
Submitted by: Denise Zembryki
Region: Blaine County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: Aug 17, 2017
Submitted by: rebeccafm
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Feb 21, 2018
Observation date: Jul 21, 2017
Submitted by: wallap74
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 28, 2017
Observation date: Aug 04, 2017
Submitted by: fragglecat
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 27, 2017
Observation date: Aug 17, 2017
Submitted by: rebeccafm
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 26, 2017
Observation date: Aug 12, 2016
Submitted by: taogirl
Region: Mineral County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 26, 2017
Observation date: Jul 15, 2017
Submitted by: donahilkey
Region: Rio Blanco County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 19, 2017
Observation date: Aug 13, 2017
Submitted by: Colorado Ice
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 31, 2017
Observation date: Aug 20, 2016
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Sep 22, 2017
Observation date: Sep 02, 2017
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Sep 21, 2017
Observation date: Sep 01, 2017
Submitted by: diwalks2@gmail.com
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Sep 13, 2017
Observation date: Sep 01, 2017
Submitted by: Shelley Rutkin
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 10, 2017
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