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 121 - 144 of 699 verified sightings
Observation date: Jul 29, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 30, 2021
Observation date: Jul 28, 2021
Submitted by: glennfine
Region: Trinity County, California, United States
Verified by: Ken Davenport
Verified date: Jul 30, 2021
Observation date: Jul 19, 2021
Submitted by: joeschelling
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 27, 2021
Observation date: Aug 04, 2020
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 25, 2021
Observation date: Jul 14, 2021
Submitted by: PDunwiddie
Region: Madison County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 18, 2021
Observation date: Jul 13, 2021
Submitted by: Artemisia
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 14, 2021
Observation date: Aug 04, 2020
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 29, 2021
Observation date: Sep 23, 2009
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: stevekohler
Verified date: May 10, 2021
Observation date: Jul 22, 2020
Submitted by: gasigr
Region: Wallowa County, Oregon, United States
Verified by: Ken Davenport
Verified date: Mar 30, 2021
Observation date: Aug 29, 2009
Submitted by: NikkiM
Region: Montana, United States
Verified by: J_Martineau
Verified date: Mar 18, 2021
Observation date: Aug 09, 2009
Submitted by: NikkiM
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Mar 17, 2021
Observation date: Jul 05, 2020
Submitted by: WYbutterflyer1
Region: Carbon County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Aug 02, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 15, 2021
Observation date: Aug 27, 2020
Submitted by: J_Martineau
Region: Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 18, 2021
Observation date: Jul 11, 2020
Submitted by: J_Martineau
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 06, 2021
Observation date: Jul 17, 2020
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 23, 2020
Observation date: Jul 14, 2020
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 22, 2020
Observation date: Jul 11, 2020
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 20, 2020
Observation date: Aug 08, 2020
Submitted by: DeepSkyKelly
Region: Colorado, United States
Verified by: mikefisher
Verified date: Nov 17, 2020
Observation date: Aug 04, 2020
Submitted by: LisaFC
Region: Jackson County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 15, 2020
Observation date: Jul 02, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 13, 2020
Observation date: Jul 05, 2013
Submitted by: mouser
Region: Colorado, United States
Verified by: mikefisher
Verified date: Sep 02, 2020
Observation date: Aug 14, 2020
Submitted by: bellhanley
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 30, 2020
Observation date: Aug 14, 2020
Submitted by: cklindsey
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Aug 18, 2020
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