(Aciagrion fragile)
Aciagrion fragilis is a species of damselfly in the family Coenagrionidae, commonly known as a blue slim. It is a small, slender damselfly, the male is blue and black. It has been recorded from northern Australia, New Guinea and the Lesser Sunda Islands in Indonesia, where it inhabits still waters and swamps. The species name fragilis is a Latin word meaning fragile, or easily broken. In 1906, Robin Tillyard named this species probably in contrast to other members of the genus Ischnura, where it had been provisionally placed. Aciagrion is a genus of damselfly in the family Coenagrionidae. Aciagrion are small and slender damselflies with a small head. They are found at still waters including swamps. Aciagrion is widely distributed in the tropics from Africa, through Indonesia to Australia. They are commonly known as Slims.