Nehalennia irene is a species of damselfly in the family Coenagrionidae. This species is commonly known as the sedge sprite.On male sedge sprites, the thorax is bright green above and black above blue or yellow-green on the sides. His abdomen is dark iridescent green and has a blue tip with dark green spots. His large eyes are black above blue with a thin blue bar across the top of the head. On female sedge sprites, the back of the thorax is dark green and the sides are yellowish. Her abdomen is dark above and yellowish below. Her large eyes are greenish or yellowish.