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Hemicordulia tau

3 Tau Emerald at Acton, ACT

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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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Nearby sightings

Page 1 of 3 - image sightings only

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Phylidonyris novaehollandiae (New Holland Honeyeater) at Acton, ACT - 4 Jan 2023 by MarkT

Tropis paradoxa (Longicorn beetle) at Acton, ACT - 4 Jan 2023 by MarkT

Thereutria amaraca (Spine-legged Robber Fly) at Acton, ACT - 30 Dec 2022 by YellowButton

Caedicia simplex (Common Garden Katydid) at Acton, ACT - 12 Nov 2022 by TimL

Heteromastix sp. (genus) (Soldier beetle) at Acton, ACT - 29 Oct 2022 by TimL

Caedicia simplex (Common Garden Katydid) at Acton, ACT - 29 Oct 2022 by TimL

Lasioglossum (Callalictus) callomelittinum (Halictid bee) at Acton, ACT - 29 Oct 2022 by TimL

Lasioglossum (Parasphecodes) sp. (genus & subgenus) (Halictid bee) at Acton, ACT - 29 Oct 2022 by TimL

Cixiidae sp. (family) (Cixiid planthopper) at Acton, ACT - 29 Oct 2022 by TimL

Nitidulidae sp. (family) (Sap beetle) at Acton, ACT - 16 Oct 2022 by TimL

Aethina sp. (genus) (Sap beetle) at Acton, ACT - 12 Oct 2022 by TimL

Wallabia bicolor (Swamp Wallaby) at Acton, ACT - 3 Sep 2022 by Steve_Bok

Odontomyrme sp. (genus) (A velvet ant) at Acton, ACT - 19 Aug 2022 by TimL

Myrmecia sp., pilosula-group (Jack jumper) at Acton, ACT - 19 Aug 2022 by TimL

Crepidomenus fulgidus (Click beetle) at Acton, ACT - 19 Aug 2022 by TimL

Gonipterus pulverulentus (Eucalyptus weevil) at Acton, ACT - 7 Aug 2022 by TimL

Gonipterus pulverulentus (Eucalyptus weevil) at Acton, ACT - 8 Jul 2022 by TimL

Gonipterus pulverulentus (Eucalyptus weevil) at Acton, ACT - 26 Jun 2022 by TimL

Braconidae sp. (family) (Unidentified braconid wasp) at Acton, ACT - 10 Jun 2022 by TimL

Discobola sp. (genus) (A crane fly) at Acton, ACT - 3 Jun 2022 by TimL

Tamopsis sp. (genus) (Two-tailed spider) at Acton, ACT - 3 Jun 2022 by TimL

Entomophthoraceae (family) (An entomopathogenic (insect killing) fungus) at Acton, ACT - 27 May 2022 by TimL

Myrmecia simillima (A Bull Ant) at Acton, ACT - 20 May 2022 by TimL

Trombidiidae (family) (Red velvet mite) at Acton, ACT - 13 May 2022 by TimL

Chelaner kiliani (Kilian's ant) at Acton, ACT - 13 May 2022 by TimL

Staphylinidae (family) (Rove beetle) at Acton, ACT - 1 May 2022 by TimL

Gonipterus pulverulentus (Eucalyptus weevil) at Acton, ACT - 1 May 2022 by TimL

Amauroderma rude (Red-staining Stalked Polypore) at Acton, ACT - 29 Apr 2022 by TimL

Tapeigaster annulipes (heteromyzid fly) at Acton, ACT - 29 Apr 2022 by TimL

Camponotus aeneopilosus (A Golden-tailed sugar ant) at Acton, ACT - 22 Apr 2022 by TimL

Aphaenogaster longiceps (Funnel ant) at Acton, ACT - 12 Apr 2022 by AlisonMilton

Ditropidus pulchellus (Leaf beetle) at Acton, ACT - 12 Apr 2022 by AlisonMilton

Lophyrotoma interrupta (Cattle Poisoning Sawfly) at Acton, ACT - 21 Mar 2022 by TimL

Stiromesostenus sp. (genus) (An ichneumon wasp) at Acton, ACT - 20 Mar 2022 by TimL

Heteronympha merope (Common Brown Butterfly) at Acton, ACT - 2 Mar 2022 by LD12

Synthemis eustalacta (Swamp Tigertail) at Acton, ACT - 18 Feb 2022 by TimL

Zosteria rosevillensis (A robber fly) at Acton, ACT - 16 Feb 2022 by MarkT

Scolypopa australis (Passionvine hopper, Fluffy bum) at Acton, ACT - 16 Feb 2022 by MarkT

Eopsaltria australis (Eastern Yellow Robin) at Acton, ACT - 16 Feb 2022 by MarkT

Amanita ochrophylla group at Acton, ACT - 30 Jan 2022 by TimL

Hypogastrura sp. (genus) (A Springtail) at Acton, ACT - 30 Jan 2022 by TimL

zz agaric (stem; gills white/cream) at Acton, ACT - 30 Jan 2022 by TimL

Ardices canescens (Dark-spotted Tiger Moth) at Acton, ACT - 24 Jan 2022 by Christine

Papilio anactus (Dainty Swallowtail) at Acton, ACT - 24 Jan 2022 by Christine

Delias harpalyce (Imperial Jezebel) at Acton, ACT - 21 Jan 2022 by TimL

Duomyia sp. (genus) (Signal fly) at Acton, ACT - 16 Jan 2022 by TimL

Leptotarsus (Leptotarsus) clavatus (A crane fly) at Acton, ACT - 16 Jan 2022 by TimL

Cleogonini sp. (tribe) (Weevil) at Acton, ACT - 16 Jan 2022 by TimL

Odontomyia decipiens (Green Soldier Fly) at Acton, ACT - 7 Jan 2022 by TimL

Hypodoxa muscosaria (Textured Emerald) at Acton, ACT - 6 Jan 2022 by JudithRoach

Eurymeloides bicincta (Gumtree hopper) at Acton, ACT - 31 Dec 2021 by TimL

Cerdistus sp. (genus) (Yellow Slender Robber Fly) at Acton, ACT - 31 Dec 2021 by TimL

Eristalinus punctulatus (Golden Native Drone Fly) at Acton, ACT - 28 Dec 2021 by TimL

Trachymela sp. (genus) (Brown button beetle) at Acton, ACT - 12 Dec 2021 by TimL

Paropsisterna decolorata (A Eucalyptus leaf beetle) at Acton, ACT - 12 Dec 2021 by TimL

Leptotarsus (Macromastix) costalis (Common Brown Crane Fly) at Acton, ACT - 5 Dec 2021 by TimL

Camponotus suffusus (Golden-tailed sugar ant) at Acton, ACT - 28 Nov 2021 by TimL

Passiflora cinnabarina (Red Passionflower) at Acton, ACT - 31 Oct 2021 by TimL

Ledrinae (subfamily) (A Flat-headed Leafhopper) at Acton, ACT - 1 Aug 2021 by TimL

Postia pelliculosa (A wood-rotting bracket fungus) at Acton, ACT - 20 Jul 2021 by TimL

Dacryopinax spathularia (Dacryopinax spathularia) at Acton, ACT - 20 Jul 2021 by TimL

Hypogastrura sp. (genus) (A Springtail) at Acton, ACT - 24 Jun 2021 by TimL

Cymbacha ocellata (Crab spider) at Acton, ACT - 13 Jun 2021 by TimL

Xanthocryptus novozealandicus (Lemon tree borer parasite wasp) at Acton, ACT - 14 May 2021 by TimL

Pergagrapta bella (A sawfly) at Acton, ACT - 9 May 2021 by TimL

Gonipterus sp. (genus) (Eucalyptus Weevil) at Acton, ACT - 7 May 2021 by TimL

Wallabia bicolor (Swamp Wallaby) at Acton, ACT - 18 Apr 2021 by TimL

Myrmarachne luctuosa (Polyrachis Ant Mimic Spider) at Acton, ACT - 18 Apr 2021 by TimL

Tamopsis sp. (genus) (Two-tailed spider) at Acton, ACT - 9 Apr 2021 by TimL

Cryptobothrus chrysophorus (Golden Bandwing) at Acton, ACT - 2 Apr 2021 by TimL

Araneus ginninderranus (Dondale's Orb-weaver) at Acton, ACT - 2 Apr 2021 by TimL

Trombidiidae (family) (Red velvet mite) at Acton, ACT - 2 Apr 2021 by TimL

Ancita sp. (genus) (Longicorn or longhorn beetle) at Acton, ACT - 30 Mar 2021 by TimL

Camponotus suffusus (Golden-tailed sugar ant) at Acton, ACT - 30 Mar 2021 by TimL

Coryphistes ruricola (Bark-mimicking Grasshopper) at Acton, ACT - 26 Mar 2021 by TimL

Tamopsis sp. (genus) (Two-tailed spider) at Acton, ACT - 21 Mar 2021 by TimL

Stenosmylus tenuis (Osmylid lacewing) at Acton, ACT - 14 Mar 2021 by TimL

Pogona barbata (Eastern Bearded Dragon) at Acton, ACT - 28 Feb 2021 by TimL

Trombidiidae (family) (Red velvet mite) at Acton, ACT - 26 Feb 2021 by TimL

Sandalodes scopifer (White-spotted Sandalodes) at Acton, ACT - 21 Feb 2021 by TimL

Heteronympha paradelpha (Spotted Brown) at Acton, ACT - 17 Feb 2021 by HelenCross

Lasioglossum (Callalictus) callomelittinum (Halictid bee) at Acton, ACT - 11 Feb 2021 by AlisonMilton

Enicospilus sp. (genus) (An ichneumon wasp) at Acton, ACT - 11 Feb 2021 by AlisonMilton

Sandalodes scopifer (White-spotted Sandalodes) at Acton, ACT - 10 Jan 2021 by TimL

Sphex sp. (genus) (Unidentified Sphex digger wasp) at Acton, ACT - 8 Jan 2021 by TimL

Pentatomidae (family) (Shield or Stink bug) at Acton, ACT - 4 Jan 2021 by TimL

Lasioglossum (Parasphecodes) sp. (genus & subgenus) (Halictid bee) at Acton, ACT - 3 Jan 2021 by TimL

Pentatomidae (family) (Shield or Stink bug) at Acton, ACT - 3 Jan 2021 by TimL

Odontomyia decipiens (Green Soldier Fly) at Acton, ACT - 1 Jan 2021 by TimL

Cicadettini sp. (tribe) (Cicada) at Acton, ACT - 1 Jan 2021 by TimL

Pergagrapta polita (Sawfly) at Acton, ACT - 1 Jan 2021 by TimL

Pogona barbata (Eastern Bearded Dragon) at Acton, ACT - 27 Dec 2020 by TimL

Oechalia schellenbergii (Spined Predatory Shield Bug) at Acton, ACT - 27 Dec 2020 by TimL

Salsa fuliginata (Sooty Orb-weaver) at Acton, ACT - 27 Dec 2020 by TimL

Ptomaphila lacrymosa (Carrion Beetle) at Acton, ACT - 16 Dec 2020 by MattFox

Austroargiolestes icteromelas (Common Flatwing) at Acton, ACT - 16 Dec 2020 by Tapirlord

Austroargiolestes icteromelas (Common Flatwing) at Acton, ACT - 16 Dec 2020 by MattFox

Phonognatha graeffei (Leaf Curling Spider) at Acton, ACT - 16 Dec 2020 by MattFox

Location information

Coordinates 149.107853 -35.272528
Altitude 635.5m
Maps ANBG
Places Acton, ACT

Species information

Hemicordulia tau Scientific name
Tau Emerald Common name
Not Sensitive
Local Native
Non-Invasive

Sighting information

1 Abundance
28 Nov 2021 01:05 PM Recorded on
TimL Recorded by

Additional information

50mm or larger Animal size

Record quality

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