Nososticta koongarra

Nososticta koongarra is a species of Australian damselfly in the family Platycnemididae, commonly known as a citrine threadtail. It has only been found on the Arnhem Land escarpment in Northern Territory, where it inhabits streams.

Nososticta koongarra is a small, slender damselfly; males are coloured black with bright blue markings and yellow tinted wings, females are black with yellowish-white markings and clear wings.