
Based on 1,995 research-grade iNaturalist observations in West Virginia, Eastern Tiger Swallowtail is most often recorded in August; in West Virginia it behaves like a summer visitor / breeder. It ranks #1 among butterflies recorded in the state in our data.
Papilio glaucus
Eastern Tiger Swallowtail in West Virginia 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 West Virginia in August

Monarch

Pipevine Swallowtail

Silver-spotted Skipper
Huron Skipper

Spicebush Swallowtail

Great Spangled Fritillary

Zabulon Skipper

Pearl Crescent
Places to look in West Virginia
Babcock State Park
Monongahela National Forest
State ParkBerkeley Springs State Park
Blennerhassett Island Historical State Park
Canaan Valley Resort State Park
State ParkBeartown State Park
FAQ
When does Eastern Tiger Swallowtail appear in West Virginia?
Mainly July–August, with the most records in August.
How common is Eastern Tiger Swallowtail in West Virginia?
It ranks #1 by number of iNaturalist observations among butterflies in West Virginia (1,995 records in our sample).