Tau emerald | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Odonata |
Infraorder: | Anisoptera |
Family: | Corduliidae |
Genus: | Hemicordulia |
Species: | H. tau |
Binomial name | |
Hemicordulia tau (Selys, 1871) |
The tau emerald (Hemicordulia tau), is a species of dragonfly in the family Corduliidae. It is found in all parts of Australia except northern Queensland and north-western Western Australia. The species was first described by Edmond de Sélys Longchamps in 1871.
The tau emerald is a medium-sized dragonfly, reaching a body length of about 50 mm.