Neat. I’ve been learning to identify some of these so I can point them out to canoeing groups at the nature center and this one I know. It’s a female WidowSkimmer, Libelula Luctuosa. https://www.insectidentification.org/insect-description.asp?identification=Widow-Skimmer Reply
john's f-stop 
Neat. I’ve been learning to identify some of these so I can point them out to canoeing groups at the nature center and this one I know. It’s a female WidowSkimmer, Libelula
Luctuosa.
https://www.insectidentification.org/insect-description.asp?identification=Widow-Skimmer
When the birds stay away, I have been able to catch some of these instead; or butterflies ….