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 169 - 192 of 699 verified sightings
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
Observation date: Jul 30, 2018
Submitted by: Tim Shortell
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 02, 2018
Observation date: Aug 04, 2018
Submitted by: Tim Shortell
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 02, 2018
Observation date: Aug 06, 2018
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jun 29, 2018
Submitted by: stevecary
Region: Ouray County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 11, 2018
Observation date: Jul 04, 2018
Submitted by: stevecary
Region: Pitkin County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 11, 2018
Observation date: Jul 28, 2018
Submitted by: dsperanza
Region: Montana, United States
Verified by: stevekohler
Verified date: Oct 03, 2018
Observation date: Aug 20, 2017
Submitted by: Stefan Kreitmeier
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 27, 2018
Observation date: Aug 28, 2018
Submitted by: mbender78
Region: Whatcom County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 06, 2018
Observation date: Aug 16, 2018
Submitted by: N_Santill
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 30, 2018
Observation date: Aug 23, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 27, 2018
Observation date: Aug 23, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 27, 2018
Observation date: Jul 17, 2018
Submitted by: Lisahug
Region: Summit County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 13, 2018
Observation date: Jul 25, 2018
Submitted by: CarlClark
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 13, 2018
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