(Austroagrion cyane)
Austroagrion cyane, the south-western billabongfly, is a species of damselfly of the family Coenagrionidae. Despite their common name, they have been found not only in south-western Australia, but also in diverse locations across Australia. Austroagrion cyane are permanent residents of aquatic habitats. They prefer slow-moving water. The species grows to around 2–3 cm in length. Females are less common than males and are mostly attracted to ephemeral swamps. Austroagrion is a genus of damselflies belonging to the family Coenagrionidae. Species of Austroagrion are small damselflies; males are black with blue or green markings while females are paler. Austroagrion occurs in Papua New Guinea, New Caledonia and Australia.