Based on 1,792 research-grade iNaturalist observations in Virginia, Hackberry Emperor is most often recorded in August; in Virginia it behaves like a summer visitor / breeder. It ranks #26 among butterflies recorded in the state in our data.
Asterocampa celtis
Hackberry Emperor in 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 Virginia in August

Eastern Tiger Swallowtail

Monarch
Huron Skipper

Zabulon Skipper

Silver-spotted Skipper

Spicebush Swallowtail

Common Buckeye

Pearl Crescent
Places to look in Virginia
Botanical GardenLewis Ginter Botanical Garden
Grayson Highlands State Park
Occoneechee State Park
Staunton River State Park
Mason Neck State Park
Sky Meadows State Park
FAQ
When does Hackberry Emperor appear in Virginia?
Mainly June–September, with the most records in August.
How common is Hackberry Emperor in Virginia?
It ranks #26 by number of iNaturalist observations among butterflies in Virginia (1,792 records in our sample).