This is one of those confusing species that goes by two different binomial names, Adversaeshna bevistyla and Aeshna brevistyla . It is widespread in Australia, where it is referred to as Adversaeshna brevistyla (Blue-spotted Hawker), and also occurs in New Zealand, where Aeshna brevistyla (Lancer Dragonfly) is used.
Dr. Paulson, who maintains the worldwide list, has both names as synonyms, his main entry being Adversaeshna brevistyla. The IUCN Red List has it as Aeshna brevistyla, stating that Adversaeshna is a sub-genus. Therefore, I’m going with Aeshna brevistyla.
We did see this character both in Australia, at the dam in Stanley, Victoria, and in New Zealand where we found it at a couple of sites: Cape Foulwind and Slab Hut Creek.
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