Based on 771 research-grade iNaturalist observations in Wyoming, Mormon Fritillary is most often recorded in July; in Wyoming it behaves like a summer visitor / breeder. It ranks #1 among butterflies recorded in the state in our data.
Argynnis mormonia
Mormon Fritillary in Wyoming by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Wyoming in July
Blue Copper
Weidemeyer's Admiral
Small Wood-Nymph
Rocky Mountain Parnassian
Boisduval's Blue
Essex Skipper
Callippe Fritillary
Milbert's Tortoiseshell
Places to look in Wyoming
National ForestShoshone National Forest
National ForestBridger–Teton National Forest
State ParkFort Bridger
State ParkHot Springs State Park
State ParkFort Fred Steele State Historic Site
National Wildlife RefugeNational Elk Refuge
FAQ
When does Mormon Fritillary appear in Wyoming?
Mainly July–August, with the most records in July.
How common is Mormon Fritillary in Wyoming?
It ranks #1 by number of iNaturalist observations among butterflies in Wyoming (771 records in our sample).