Familiar Bluet Damselfly - Enallagma civile
Order Odonata / Suborder Zygoptera -- damselflies, demoiselles / Family Coenagrionidae -- narrow-winged damselflies
Live adult dragonflies photographed in the wild at Winfield Mounds Forest Preserve, DuPage County, Illinois, USA.

Female damselflies can morph into different color schemes, in an apparent attempt to defray unwanted sexual advances from males. Male damsels become so confused at times, they attempt to mate with each other. You can read in detail about this at this National Geographic article, Gay Flies.

Damsels fly in tandem as female lays eggs on vegetation under the water's surface.