Neurobasis australis is a species of damselfly in the family Calopterygidae,[2] commonly known as a Papuan demoiselle.

[3] It is a large, metallic green damselfly with long legs, and dark wings without pterostigma.

[4] It has been recorded from New Guinea,[3] and Indonesia,[2] where it inhabits streams.

[4] Early records of Neurobasis australis in Australia have not been confirmed.

[3]