Hemicordulia tau

3 Tau Emerald at Acton, ACT

Hemicordulia tau at Acton, ACT - 28 Nov 2021 01:05 PM
Hemicordulia tau at Acton, ACT - 28 Nov 2021 01:05 PM
Hemicordulia tau at Acton, ACT - 28 Nov 2021 01:05 PM
Hemicordulia tau at Acton, ACT - 28 Nov 2021 01:05 PM
Hemicordulia tau at Acton, ACT - 28 Nov 2021 01:05 PM
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Identification history

Hemicordulia tau 3 Dec 2021 HarveyPerkins
Unidentified 3 Dec 2021 TimL

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User's notes

The second image shows what I understand is the closed anterior thoracic spiracle, which provides oxygen to the dragonfly’s wing muscles and brain, hidden away behind the head/eye structure. Thanks to Marcus Leach for the initial sighting.

2 comments

HarveyPerkins wrote:
   3 Dec 2021
Some exquisite photographs.
TimL wrote:
   3 Dec 2021
Thanks. Tim

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Location information

Sighting information

Additional information

  • 50mm or larger Animal size

Species information

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
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  • Additional attributes
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