Butterfly flight seasons in Oklahoma from 57,306 research-grade iNaturalist observations. September has the most activity.
By month
Oklahoma butterfly calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed butterflies in Oklahoma
Monarch
Gulf Fritillary
Hackberry Emperor
Huron Skipper
Common Buckeye
Pearl Crescent
Variegated Fritillary
Eastern Tiger Swallowtail
Gray Hairstreak
Pipevine Swallowtail
Eastern Tailed-Blue
Black Swallowtail
Fiery Skipper
Question Mark
American Lady
Orange Sulphur
