Austroaeschna unicornis is a species of dragonfly in the family Aeshnidae,[3] known as the unicorn darner.

[4] It is found in eastern Australia, from Brisbane to Tasmania and around Adelaide in South Australia, where it inhabits rivers and streams.

[5] Austroaeschna unicornis is a long-bodied, brown to black dragonfly with pale blue markings.

[4] Until recently, Austroaeschna pinheyi was considered to be a subspecies of Austroaeschna unicornis.

[3]