Based on 1,201 research-grade iNaturalist observations in Louisiana, Spicebush Swallowtail is most often recorded in August; in Louisiana it behaves like a summer visitor / breeder. It ranks #9 among butterflies recorded in the state in our data.
Papilio troilus
Spicebush 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
Long-tailed Skipper
Eastern Tiger Swallowtail
Monarch
Viceroy
Cloudless Sulphur
Fiery Skipper
Places to look in Louisiana
State ParkFort Jesup
National ForestKisatchie National Forest
State ParkChemin-A-Haut State Park
State ParkSt. Bernard State Park
State ParkBayou Segnette State Park
State ParkLake Bruin State Park
FAQ
When does Spicebush Swallowtail appear in Louisiana?
Mainly March–September, with the most records in August.
How common is Spicebush Swallowtail in Louisiana?
It ranks #9 by number of iNaturalist observations among butterflies in Louisiana (1,201 records in our sample).