Austroaeschna unicornis

Austroaeschna unicornis is a species of dragonfly in the family Telephlebiidae, known as the unicorn darner. It is found in eastern Australia, from Brisbane to Tasmania and around Adelaide in South Australia, where it inhabits rivers and streams.

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

Note
Until recently, Austroaeschna pinheyi was considered to be a subspecies of Austroaeschna unicornis.