Butterfly flight seasons in Louisiana from 42,171 research-grade iNaturalist observations. September has the most activity.
By month
Louisiana butterfly calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed butterflies in Louisiana
Gulf Fritillary
Monarch
Common Buckeye
Pearl Crescent
Eastern Giant Swallowtail
Long-tailed Skipper
Fiery Skipper
Eastern Tiger Swallowtail
Spicebush Swallowtail
Viceroy
Question Mark
Red-banded Hairstreak
Cloudless Sulphur
Pipevine Swallowtail
Gray Hairstreak
Red Admiral
