| Speyeria mormonia (Boisduval, 1869) |
| Status: Rare resident |
| Flight Period(s): There is one flight reported from 16 June to 16 August in Nebraska. |
| Range: The Mormon Fritillary is a resident in western North America from southern Alaska south into portions of Arizona and New Mexico. In Nebraska it has been found in the northern Panhandle. |
| Larval Hostplant(s): Five violet species are found in the Nebraska counties where the Mormon Fritillary has been recorded and of these only the Yellow Prairie Violet (Viola nuttallii) is verified as a being fed on by larvae of this species. |
| Overwinter: As unfed caterpillar |
| Commentary/Habitat: Merritt Cary reported “frequent examples” of this species in July of 1901, but in the 100+ years following it has been recorded only three times, always as single specimens, the most recent being in August of 1990 by Steve Spomer in Sowbelly Canyon north of Harrison in Sioux County. |
| Similar Species: This species is generally smaller and paler then other members of this genus. |
