I saw this dragonfly at Harford Glen on July 29th, 2012.

There were several of these, mostly females, at Perryman Park on August 4th, 2012. The first two below are females.

These were also at Perryman Park. I saw them on June 23rd, 2013.

This one was there on June 30th, 2013.

I saw this one at Susquehanna State Park on July 3rd, 2013.

This one was at Perryman Park on July 20th, 2014. It is in the obelisk position.

I saw these at Perryman Park on July 19th, 2015.

This one was at the Patuxent Research Center on July 10th, 2015.