Williamson-1900
Guides
Enallagma anna
River Bluet
Enallagma anna, the river bluet, is a species of narrow-winged damselfly in the family Coenagrionidae. The species was described by Williamson in 1900. It is found in North America, specifically in southern Canada and the western and northeastern United States. The IUCN lists it as Least Concern with a stable population.