Tau Emerald
Male, Secondary Genetalia
Ellura
Tau Emerald
Female, dorsal
 
                      
Tau Emerald (Hemicordulia tau)Class: Animals (Animalia) - Jointed Legs (Arthropoda) - Insects (Insecta)
Order: Dragonflies (Odonata)
Family: Emerald Dragonfly (Epiprocta: Corduliidae)     iNaturalist Observation
Species: Tau Emerald (Hemicordulia tau)
This Photo:     Male, ventral

Thank you Stephen Fricker for confirming the id of this species for us

General Species Information:
Found on Ellura (in the Murray Mallee, SA), the Adelaide Hills, the Flinders Ranges, the Riverland and elsewhere
Different to the Australian Emerald (H. australiae) in a few ways. The Tau has:
1. Orange leading wing veins & wing patch (pterostigma), rather than black
2. An orange spot at the end of it's tail (segment 10)
3. An inverted "T" on it's face (unfortunately we didn't capture this in the photo's, yet)

Copyright © 2010-2024 Brett & Marie Smith. All Rights Reserved. Photographed 24-Oct-2010
This species is an Australian Native Species, not listed in the SA Murray Mallee Survey of 2010.