Argynnis mormonia Boisduval, 1869
Status: Very rare resident
NENHP Ranking: S1, Tier 2
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.
Broods/Flight Times: There is one flight reported from 16 June to 16 August in Nebraska.
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.
Habitat: Forest openings and prairie meadows
Found at: Gilbert-Baker SWMA
Overwintering: As an unfed caterpillar
Similar Species: This species is generally smaller and paler then other members of this genus.
Notes: Merritt Cary reported “frequent examples” of this species in July of 1901, but in the 100+ years following it has been recorded only four times, always as single specimens, the most recent being in 20__ by Mark Brogie near Scotts Bluff.