Based on 1,510 research-grade iNaturalist observations in Kentucky, Hackberry Emperor is most often recorded in August; in Kentucky it behaves like a summer visitor / breeder. It ranks #8 among butterflies recorded in the state in our data.
Asterocampa celtis
Hackberry Emperor in Kentucky 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 Kentucky in August
Monarch
Eastern Tiger Swallowtail
Huron Skipper
Spicebush Swallowtail
Pearl Crescent
Variegated Fritillary
Common Buckeye
Silver-spotted Skipper
Places to look in Kentucky
National ForestDaniel Boone National Forest
State ParkCumberland Falls State Resort Park
State ParkOld Fort Harrod State Park
State ParkPine Mountain State Resort Park
State ParkE. P. "Tom" Sawyer State Park
State ParkLevi Jackson Wilderness Road State Park
FAQ
When does Hackberry Emperor appear in Kentucky?
Mainly May–September, with the most records in August.
How common is Hackberry Emperor in Kentucky?
It ranks #8 by number of iNaturalist observations among butterflies in Kentucky (1,510 records in our sample).