ID’ed at BugGuide down to genus Enallagma (American Bluets), conjectured to be “Enallagma traviatum” or “Slender Bluet”; http://bugguide.net/node/view/1247409
Retired economics professor (“dismal scientist”). Married 40+ years to the love of my life; we have two grown daughters, both married, two granddaughters and a...