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.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 544 verified sightings
Observation date: Aug 17, 2019
Submitted by: Bob Patton
Region: Sublette County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 13, 2020
Observation date: Aug 01, 2019
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 31, 2019
Observation date: Aug 01, 2019
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 31, 2019
Observation date: Jul 31, 2019
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 23, 2019
Observation date: Jul 31, 2019
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 23, 2019
Observation date: Aug 25, 2019
Submitted by: tirvine2020
Region: Teton County, Wyoming, United States
Verified by: Ken Davenport
Verified date: Dec 05, 2019
Observation date: Aug 03, 2019
Submitted by: mmb0811
Region: Bannock County, Idaho, United States
Verified by: stevekohler
Verified date: Nov 08, 2019
Observation date: Aug 19, 2019
Submitted by: Pheasantboy77
Region: Montana, United States
Verified by: stevekohler
Verified date: Nov 08, 2019
Observation date: Aug 31, 2019
Submitted by: dcookie
Region: Fremont County, Idaho, United States
Verified by: stevekohler
Verified date: Nov 05, 2019
Observation date: Aug 20, 2015
Submitted by: James Hutchison
Region: Colorado, United States
Verified by: mikefisher
Verified date: Oct 05, 2019
Observation date: Aug 29, 2014
Submitted by: pnesterenko
Region: Hinsdale County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 05, 2019
Observation date: Aug 31, 2019
Submitted by: Mapper
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 22, 2019
Observation date: Aug 31, 2019
Submitted by: Mapper
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 22, 2019
Observation date: Sep 08, 2019
Submitted by: sfbaywildlife
Region: Alpine County, California, United States
Verified by: Ken Davenport
Verified date: Sep 21, 2019
Observation date: Sep 12, 2019
Submitted by: Oldnintheway
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 13, 2019
Observation date: Sep 08, 2019
Submitted by: Team Kweeper
Region: Amador County, California, United States
Verified by: Ken Davenport
Verified date: Sep 10, 2019
Observation date: Sep 08, 2019
Submitted by: Team Kweeper
Region: Amador County, California, United States
Verified by: Ken Davenport
Verified date: Sep 10, 2019
Observation date: Jul 22, 2019
Submitted by: ncrosbyrd
Region: Montana, United States
Verified by: J_Martineau
Verified date: Sep 05, 2019
Observation date: Aug 17, 2019
Submitted by: wallygoots
Region: Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 30, 2019
Observation date: Aug 23, 2019
Submitted by: hiker96
Region: Lewis County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 26, 2019
Observation date: Jul 22, 2008
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Mar 07, 2019
Observation date: Jul 22, 2018
Submitted by: gasigr
Region: Crook County, Oregon, United States
Verified by: Ken Davenport
Verified date: Mar 04, 2019
Observation date: Aug 03, 2018
Submitted by: ncrosbyrd
Region: Apache County, Arizona, United States
Verified by: Ken Davenport
Verified date: Feb 06, 2019
Observation date: Jun 24, 2017
Submitted by: A_baldini (dailyentomologist)
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jan 09, 2019
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