Based on 3,391 research-grade iNaturalist observations in Missouri, Eastern Tiger Swallowtail is most often recorded in August; in Missouri it behaves like a summer visitor / breeder. It ranks #2 among butterflies recorded in the state in our data.
Papilio glaucus
Eastern Tiger Swallowtail in Missouri 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 Missouri in August
Monarch
Spicebush Swallowtail
Common Buckeye
Hackberry Emperor
Silver-spotted Skipper
Pipevine Swallowtail
Black Swallowtail
Pearl Crescent
Places to look in Missouri
Botanical GardenMissouri Botanical Garden
National ForestMark Twain National Forest
Botanical GardenMissouri State Arboretum
State ParkBig Oak Tree State Park
State ParkTable Rock State Park
State ParkMark Twain Birthplace State Historic Site
FAQ
When does Eastern Tiger Swallowtail appear in Missouri?
Mainly July–September, with the most records in August.
How common is Eastern Tiger Swallowtail in Missouri?
It ranks #2 by number of iNaturalist observations among butterflies in Missouri (3,391 records in our sample).