any of a suborder (Zygoptera) of slow-flying, usually brightly colored dragonflies with long wings held vertically when at rest
See damselfly in American Heritage Dictionary 4
(dămˈzəl-flīˌ)
noun
Any of various often brightly colored, predatory insects having a long slender body and elongated wings that fold together when the insect is at rest. Also called demoiselle, devil's darning needle.