Butterfly flight seasons in Wyoming from 15,063 research-grade iNaturalist observations. July has the most activity.
By month
Wyoming butterfly calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed butterflies in Wyoming
Mormon Fritillary
Rocky Mountain Parnassian
Painted Lady
Weidemeyer's Admiral
Blue Copper
Boisduval's Blue
Small Wood-Nymph
Milbert's Tortoiseshell
Essex Skipper
Mourning Cloak
Green Comma
California Tortoiseshell
Common Ringlet
Silvery Blue
Anise Swallowtail
Western Tiger Swallowtail
Where to photograph butterflies in Wyoming
State ParkFort Bridger
State ParkHot Springs State Park
State ParkFort Fred Steele State Historic Site
National Wildlife RefugeNational Elk Refuge
National Wildlife RefugeSeedskadee National Wildlife Refuge
State ParkGlendo State Park
State ParkWyoming Territorial Prison State Historic Site
State ParkKeyhole State Park