(Coenagrion lyelli)
Coenagrion lyelli is a species of damselfly in the family Coenagrionidae, commonly known as a swamp bluet.It is a medium-sized damselfly, the male is bright blue with black markings. It is found in south-eastern Australia, where it inhabits streams, pools and lakes. Coenagrion is a genus of damselflies in the family Coenagrionidae, commonly called the Eurasian Bluets (although three species are found in North America: Coenagrion angulatum, Coenagrion interrogatum, and Coenagrion resolutum). Species of Coenagrion are generally medium-sized, brightly coloured damselflies.