
Based on 11,125 research-grade iNaturalist observations in Ohio, Eastern Tiger Swallowtail is most often recorded in August; in Ohio 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 Ohio 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 Ohio in August

Monarch

Zabulon Skipper

Silver-spotted Skipper

Pearl Crescent

Black Swallowtail

Peck's Skipper

Spicebush Swallowtail
Hackberry Emperor
Places to look in Ohio
Cincinnati Zoo and Botanical Garden
Chadwick Arboretum
Wayne National Forest
Cox Arboretum and Gardens MetroPark
Hocking Hills State Park
Maumee Bay State Park
FAQ
When does Eastern Tiger Swallowtail appear in Ohio?
Mainly July–August, with the most records in August.
How common is Eastern Tiger Swallowtail in Ohio?
It ranks #2 by number of iNaturalist observations among butterflies in Ohio (11,125 records in our sample).