18 Jun 2016.
Susquehanna State Park, Harford Co, MD.
United States, Texas, Travis County, Austin, University of Texas, Waller Creek: 30.28469, -97.73456, error in meters 350
On the trunk of a weeping willow.
The Hackberry Emperor (Asterocampa celtis) is a North American butterfly that belongs to the family of brushfooted butterflies, Nymphalidae.