DRAGONFLIES, DAMSELFLIES (order ODONATA) & MAYFLIES (order EPHEMEROPTERA)
Attempted IDs - as of 2016-7-18 approx 15 species
Dorsal and lateral views for ID - sometimes head, eyes, and abdominal tip can help.
MAYFLIES:
DAMSELFLIES: Ebony Jewelwing, Fragile Forktail
DRAGONFLIES: Blue Dasher, Widow Skimmer, Eastern Pondhawk, Autumn Meadowhawk, Striped Emerald, Black Saddlebags, Green Darner, Common Whitetail, 12-spotted Skimmer, Great Blue Skimmer, Spangled Skimmer, Painted Skimmer, Slaty Skimmer