Australian Bluetail - Ischnura heterosticta

"Ischnura heterosticta", one of at least two species with the common name common bluetail, is an Australian damselfly of the family Coenagrionidae. It is the largest of the three "Ischnura" species in Australia. They are generally found near slow-running or still water. The species is also salt tolerant. It flies from October to March.