I saw several of these at Harford Glen park in MD on July 29th, 2012.

This one was at Perryman Park on August 4th, 2012.

I saw this one behind the Susquehanna State Park picnic area on May 17th, 2013.

This one was near the trail to Turkey Point on August 16th, 2013.

I saw this one at Swan Harbor on August 31st, 2013.

This one was at the Hyde's Rd park in Baltimore County on September 30th, 2013.

I saw this one at Susquehanna State Park on August 3rd, 2014.

This butterfly was at Longwood Gardens, PA on August 9th, 2014.

This one was at Harford Glen on June 7th, 2015.