Being a expert entomologist with, oh, shall we say 5 minutes experience, I'd be prepared to say this is a damselfly, and it is a blue one
, and I'd be prepared to wager any sum up and including 2 cents, that it's either a
Argia apicalisor a
Argia fumipennis (but I could be wrong)...
Have a look at
http://insects.ummz.lsa.umich.edu/Im...Odo_picts.html
Than you too can be an expert...
Al.