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 73 - 96 of 699 verified sightings
Observation date: Sep 08, 2022
Submitted by: Cascade Colors
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 15, 2022
Observation date: Sep 12, 2022
Submitted by: mfloyd19
Region: Tulare County, California, United States
Verified by: Ken Davenport
Verified date: Oct 10, 2022
Observation date: Aug 29, 2022
Submitted by: DebraRade
Region: Lake County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 02, 2022
Observation date: Sep 06, 2017
Submitted by: Liz Osborn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 24, 2022
Observation date: Sep 08, 2017
Submitted by: Liz Osborn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 24, 2022
Observation date: Sep 18, 2022
Submitted by: bdl2074
Region: Washington, United States
Verified by: davidwdroppers
Verified date: Sep 21, 2022
Observation date: Jul 22, 2019
Submitted by: Liz Osborn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 14, 2022
Observation date: Aug 10, 2022
Submitted by: PDunwiddie
Region: Inyo County, California, United States
Verified by: Ken Davenport
Verified date: Sep 09, 2022
Observation date: Jul 09, 2022
Submitted by: tjay13
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 08, 2022
Observation date: Jul 28, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 07, 2022
Observation date: Sep 04, 2022
Submitted by: Dstika
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 07, 2022
Observation date: Jul 09, 2022
Submitted by: tjay13
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 06, 2022
Observation date: Aug 21, 2022
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Sep 03, 2022
Observation date: Jul 25, 2022
Submitted by: Jon Kindschy
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 19, 2022
Observation date: Aug 12, 2022
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 14, 2022
Observation date: Aug 11, 2022
Submitted by: hiker96
Region: Washington, United States
Verified by: davidwdroppers
Verified date: Aug 13, 2022
Observation date: Jul 21, 2022
Submitted by: Paul Prappas
Region: San Miguel County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 10, 2022
Observation date: Jul 17, 2022
Submitted by: Varn
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 28, 2022
Observation date: Jul 10, 2022
Submitted by: Arley
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 13, 2022
Observation date: Jun 20, 2022
Submitted by: Jon Kindschy
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 04, 2022
Observation date: Jun 16, 2022
Submitted by: studiopika
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 04, 2022
Observation date: Jun 29, 2022
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 04, 2022
Observation date: Jul 12, 1969
Submitted by: one72guy
Region: Saskatchewan, Canada
Verified by: alchem30
Verified date: Jun 21, 2022
Observation date: Jul 13, 1969
Submitted by: one72guy
Region: Saskatchewan, Canada
Verified by: alchem30
Verified date: Jun 21, 2022
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