Austroargiolestes isabellae

Austroargiolestes isabellae is a species of Australian damselfly in the family Megapodagrionidae, commonly known as a Sydney flatwing. Endemic to the Sydney district, it inhabits streams and boggy areas.

It is a medium-sized to large, black and pale yellow damselfly, often with some pruinescence on adult bodies. Like other members of the Megapodagrionidae, it rests with its wings outspread.