Austroaeschna unicornis
Austroaeschna unicornis is a species of dragonfly in the family Aeshnidae,
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.