| Sigma darner | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Odonata |
| Infraorder: | Anisoptera |
| Family: | Aeshnidae |
| Genus: | Austroaeschna |
| Species: | A. sigma |
| Binomial name | |
| Austroaeschna sigma Theischinger, 1982 [2] | |
| | |
Austroaeschna sigma is a species of large dragonfly in the family Aeshnidae, [3] known as the sigma darner. [4] It inhabits the upper reaches of small mountain streams in New South Wales and south-eastern Queensland, Australia. [5]
Austroaeschna sigma is a very dark dragonfly with pale markings. It appears similar to the multi-spotted darner, Austroaeschna multipunctata , [4] which inhabits mountain streams in southern New South Wales and Victoria. [5]