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 97 - 120 of 699 verified sightings
Observation date: Jul 26, 2021
Submitted by: stevecary
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 11, 2022
Observation date: Sep 05, 2021
Submitted by: NikkiM
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 25, 2022
Observation date: Jul 15, 2021
Submitted by: J_Martineau
Region: Lincoln County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 09, 2021
Observation date: Aug 31, 2021
Submitted by: NikkiM
Region: Sublette County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 02, 2021
Observation date: Sep 17, 2021
Submitted by: Cascade Colors
Region: Lake County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 20, 2021
Observation date: Sep 10, 2021
Submitted by: vireo-red
Region: Denver County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 20, 2021
Observation date: Aug 28, 2021
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 23, 2021
Observation date: Jul 24, 2021
Submitted by: NikkiM
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Oct 11, 2021
Observation date: Jul 28, 2021
Submitted by: jrmbutterfly
Region:
Verified by: davidwdroppers
Verified date: Sep 29, 2021
Observation date: Aug 21, 2021
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Sep 20, 2021
Observation date: Sep 07, 2021
Submitted by: hiker96
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 10, 2021
Observation date: Sep 07, 2021
Submitted by: weflybye
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 10, 2021
Observation date: Jul 30, 2021
Submitted by: Jon Kindschy
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 08, 2021
Observation date: Jul 28, 2021
Submitted by: Tim Shortell
Region: Colorado, United States
Verified by: mikefisher
Verified date: Sep 08, 2021
Observation date: Aug 12, 2021
Submitted by: WYbutterflyer1
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 21, 2021
Observation date: Aug 16, 2021
Submitted by: ezeemonee
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 21, 2021
Observation date: Aug 16, 2021
Submitted by: ezeemonee
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 21, 2021
Observation date: Aug 16, 2021
Submitted by: ezeemonee
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 21, 2021
Observation date: Aug 16, 2021
Submitted by: ezeemonee
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 21, 2021
Observation date: Jul 28, 2021
Submitted by: glennfine
Region: Trinity County, California, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2021
Observation date: Aug 06, 2021
Submitted by: chneal
Region: Sandoval County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 09, 2021
Observation date: Aug 05, 2021
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 09, 2021
Observation date: Aug 03, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Aug 07, 2021
Observation date: Jul 27, 2021
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Aug 06, 2021
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