
Based on 1,242 research-grade iNaturalist observations in Louisiana, Eastern Tiger Swallowtail is most often recorded in August; in Louisiana it behaves like a summer visitor / breeder. It ranks #8 among butterflies recorded in the state in our data.
Papilio glaucus
Eastern Tiger Swallowtail in Louisiana 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 Louisiana in August

Gulf Fritillary

Eastern Giant Swallowtail

Spicebush Swallowtail

Long-tailed Skipper

Monarch

Viceroy

Cloudless Sulphur

Fiery Skipper
Places to look in Louisiana
Fort Jesup
National ForestKisatchie National Forest
Chemin-A-Haut State Park
St. Bernard State Park
Bayou Segnette State Park
Lake Bruin State Park
FAQ
When does Eastern Tiger Swallowtail appear in Louisiana?
Mainly March–September, with the most records in August.
How common is Eastern Tiger Swallowtail in Louisiana?
It ranks #8 by number of iNaturalist observations among butterflies in Louisiana (1,242 records in our sample).