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Home Insects Dragonflies & Damselflies (Odonata) Dragonflies (Anisoptera)

Hemicordulia tau

Tau Emerald at Cook, ACT

Hemicordulia tau at Cook, ACT - 10 Nov 2022
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Identification history

Hemicordulia tau 11 Nov 2022 HarveyPerkins
Hemicordulia tau 10 Nov 2022 Tammy

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Nearby sightings

Page 1 of 9 - image sightings only 870 0 869

Argyrodes sp. (genus) (Dew-drop spider) at Cook, ACT - 24 Mar 2023 by CathB Cebysa leucotelus (Australian Bagmoth) at Cook, ACT - 24 Mar 2023 by CathB Poneridia macdonaldi (Leaf beetle) at Cook, ACT - 24 Mar 2023 by CathB Oedosmylus tasmaniensis (Lacewing) at Cook, ACT - 24 Mar 2023 by CathB Ledromorpha planirostris (A leafhopper) at Cook, ACT - 24 Mar 2023 by CathB Pyracantha angustifolia (Firethorn, Orange Firethorn) at Cook, ACT - 21 Mar 2023 by lbradley Ditropidus pulchellus (Leaf beetle) at Cook, ACT - 21 Mar 2023 by CathB Monolepta sp. (genus) (Leaf beetle) at Cook, ACT - 21 Mar 2023 by CathB Stephanopis sp. (genus) (Knobbly crab spider) at Cook, ACT - 21 Mar 2023 by CathB Paropsisterna sp. (genus) (A leaf beetle) at Cook, ACT - 19 Mar 2023 by CathB Arkys walckenaeri (Triangle spider) at Cook, ACT - 19 Mar 2023 by CathB Paropsis atomaria (Eucalyptus leaf beetle) at Cook, ACT - 23 Feb 2023 by CathB Peritropha oligodrachma (A twig moth) at Cook, ACT - 23 Feb 2023 by CathB Macrobathra (genus) (A cosmet moth) at Cook, ACT - 19 Feb 2023 by CathB Conocephalus upoluensis (Meadow Katydid) at Cook, ACT - 19 Feb 2023 by CathB Opodiphthera eucalypti (Emperor Gum Moth) at Cook, ACT - 14 Feb 2023 by CathB Jalmenus icilius (Amethyst Hairstreak) at Cook, ACT - 29 Jan 2023 by CathB Obrida fascialis (One banded longicorn) at Cook, ACT - 29 Jan 2023 by CathB Oxyopes sp. (genus) (Lynx spider) at Cook, ACT - 29 Jan 2023 by CathB Nemophora sparsella (An Adelid Moth) at Cook, ACT - 24 Jan 2023 by CathB Dolophones sp. (genus) (Wrap-around Spider) at Cook, ACT - 23 Jan 2023 by CathB Endotricha pyrosalis (A Pyralid moth) at Cook, ACT - 23 Jan 2023 by CathB Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 19 Jan 2023 by CathB Megachile (Hackeriapis) oblonga (A Megachild bee) at Cook, ACT - 19 Jan 2023 by CathB Opodiphthera eucalypti (Emperor Gum Moth) at Cook, ACT - 17 Jan 2023 by CathB Snellenia lineata (A concealer moth) at Cook, ACT - 16 Jan 2023 by CathB Nemophora sparsella (An Adelid Moth) at Cook, ACT - 16 Jan 2023 by CathB Monophlebidae sp. (family) (Mealy Bugs) at Cook, ACT - 16 Jan 2023 by CathB Nabis sp. (genus) (Damsel bug) at Cook, ACT - 16 Jan 2023 by CathB Orthetrum caledonicum (Blue Skimmer) at Cook, ACT - 7 Jan 2023 by Tammy Neolucia agricola (Fringed Heath-blue) at Cook, ACT - 20 Dec 2022 by CathB Lichenaula lichenea (Lichenaula lichenea) at Cook, ACT - 19 Dec 2022 by CathB Hemicordulia tau (Tau Emerald) at Cook, ACT - 9 Dec 2022 by Chantal Reduviidae (family) (An assassin bug) at Cook, ACT - 3 Dec 2022 by patrickcox Tasmanicosa sp. (genus) (Unidentified Tasmanicosa wolf spider) at Cook, ACT - 18 Nov 2022 by Tammy Taractrocera papyria (White-banded Grass-dart) at Cook, ACT - 10 Nov 2022 by CathB Trichocolletes sp. (genus) (Spring Bee) at Cook, ACT - 10 Nov 2022 by Tammy Megachile (Hackeriapis) oblonga (A Megachild bee) at Cook, ACT - 10 Nov 2022 by Tammy Trapezites phigalia (Heath Ochre) at Cook, ACT - 10 Nov 2022 by Tammy Carphurus sp. (genus) (Soft-winged flower beetle) at Cook, ACT - 9 Nov 2022 by CathB Amphirhoe sloanei (Longicorn or Longhorn beetle) at Cook, ACT - 9 Nov 2022 by CathB Larinus latus (Onopordum seed weevil) at Cook, ACT - 9 Nov 2022 by CathB Plebs bradleyi (Enamelled spider) at Cook, ACT - 25 Oct 2022 by Tammy Plebs bradleyi (Enamelled spider) at Cook, ACT - 24 Oct 2022 by CathB Ligustrum lucidum (Large-leaved Privet) at Cook, ACT - 21 Oct 2022 by SarahHnatiuk Oxalis sp. (Wood Sorrel) at Cook, ACT - 10 Oct 2022 by lbradley Lasioglossum (Chilalictus) lanarium (Halictid bee) at Cook, ACT - 9 Oct 2022 by CathB Pinus radiata (Monterey or Radiata Pine) at Cook, ACT - 3 Oct 2022 by lbradley Nacoleia rhoeoalis (Spilomelinae) at Cook, ACT - 25 Sep 2022 by CathB Lanciana montana (Montane Ground Shield-back) at Cook, ACT - 25 Sep 2022 by CathB Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 25 Sep 2022 by CathB Staphylinidae (family) (Rove beetle) at Cook, ACT - 19 Sep 2022 by CathB Acacia boormanii (Snowy River Wattle) at Cook, ACT - 28 Aug 2022 by Tammy Trachymela sp. (genus) (Brown button beetle) at Cook, ACT - 26 May 2022 by CathB Dermocybe austroveneta (Green Skinhead) at Cook, ACT - 18 May 2022 by Tammy Camponotus consobrinus (Banded sugar ant) at Cook, ACT - 18 May 2022 by Tammy Acacia genistifolia (Early Wattle) at Cook, ACT - 24 Apr 2022 by drakes Chorista australis (Autumn scorpion fly) at Cook, ACT - 5 Apr 2022 by Tammy Austrolestes leda (Wandering Ringtail) at Cook, ACT - 5 Apr 2022 by Tammy Cirsium vulgare (Spear Thistle) at Cook, ACT - 3 Apr 2022 by drakes Cassinia quinquefaria (Cassinia) at Cook, ACT - 3 Apr 2022 by drakes Symphyla (class) (Symphylan or garden centipede) at Cook, ACT - 26 Mar 2022 by CathB Poneridia macdonaldi (Leaf beetle) at Cook, ACT - 25 Mar 2022 by CathB Oxyopes sp. (genus) (Lynx spider) at Cook, ACT - 26 Feb 2022 by CathB Calperum ottei (A recently described pygmy cricket) at Cook, ACT - 26 Feb 2022 by CathB Plectobela undescribed species (A concealer moth) at Cook, ACT - 13 Feb 2022 by CathB Conocephalus upoluensis (Meadow Katydid) at Cook, ACT - 13 Feb 2022 by CathB Linyphiidae sp. (family) (Money spider or Sheet-web spider) at Cook, ACT - 1 Feb 2022 by CathB Deliochus sp. (genus) (A leaf curling spider) at Cook, ACT - 1 Feb 2022 by CathB Nemophora sparsella (An Adelid Moth) at Cook, ACT - 9 Jan 2022 by CathB Exoneura sp. (genus) (A reed bee) at Cook, ACT - 9 Jan 2022 by CathB Stomorhina sp. (genus) (Snout fly) at Cook, ACT - 9 Jan 2022 by CathB Coryphistes ruricola (Bark-mimicking Grasshopper) at Cook, ACT - 8 Jan 2022 by CathB Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 28 Dec 2021 by CathB Tetrigidae (family) (Pygmy grasshopper) at Cook, ACT - 28 Dec 2021 by CathB Dolophones sp. (genus) (Wrap-around Spider) at Cook, ACT - 19 Dec 2021 by CathB Senecio quadridentatus (Cotton Fireweed) at Cook, ACT - 19 Dec 2021 by drakes Senecio bathurstianus (Rough Fireweed) at Cook, ACT - 12 Dec 2021 by drakes Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 27 Nov 2021 by Tammy Hypericum gramineum (Small St Johns Wort) at Cook, ACT - 18 Nov 2021 by drakes Goodenia hederacea subsp. hederacea (Ivy Goodenia, Forest Goodenia) at Cook, ACT - 18 Nov 2021 by drakes Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 18 Nov 2021 by drakes Leptorhynchos squamatus (Scaly Buttons) at Cook, ACT - 15 Nov 2021 by SusanneG Xerochrysum viscosum (Sticky Everlasting) at Cook, ACT - 15 Nov 2021 by SusanneG Dillwynia sp. at Cook, ACT - 15 Nov 2021 by SusanneG Hednota bivittella (Webworm) at Cook, ACT - 11 Nov 2021 by CathB Phytoecia coerulescens (Paterson's curse stem beetle) at Cook, ACT - 5 Nov 2021 by CathB Hypericum gramineum (Small St Johns Wort) at Cook, ACT - 30 Oct 2021 by Tammy Sonchus oleraceus (Annual Sowthistle) at Cook, ACT - 26 Oct 2021 by drakes Dianella revoluta var. revoluta (Black-Anther Flax Lily) at Cook, ACT - 26 Oct 2021 by drakes Opisthoncus sp. (genus) (Unidentified Opisthoncus jumping spider) at Cook, ACT - 24 Oct 2021 by CathB Cryptocephalinae (sub-family) (A case-bearing leaf beetle) at Cook, ACT - 23 Oct 2021 by CathB Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 23 Oct 2021 by CathB Tipulidae or Limoniidae (family) (Unidentified Crane Fly) at Cook, ACT - 23 Oct 2021 by CathB Sandalodes bipenicillatus (Double-brush jumper) at Cook, ACT - 22 Oct 2021 by CathB Galium gaudichaudii subsp. gaudichaudii (Rough bedstraw) at Cook, ACT - 19 Oct 2021 by drakes Thysanotus patersonii (Twining Fringe Lily) at Cook, ACT - 18 Oct 2021 by drakes Hypochaeris glabra (Smooth Catsear) at Cook, ACT - 18 Oct 2021 by drakes Gnathifera eurybias (A Fringe-tufted Moth) at Cook, ACT - 15 Oct 2021 by CathB Ceratopogonidae (family) (Biting Midge) at Cook, ACT - 15 Oct 2021 by CathB
Argyrodes sp. (genus) (Dew-drop spider) at Cook, ACT - 24 Mar 2023 by CathB
Cebysa leucotelus (Australian Bagmoth) at Cook, ACT - 24 Mar 2023 by CathB
Poneridia macdonaldi (Leaf beetle) at Cook, ACT - 24 Mar 2023 by CathB
Oedosmylus tasmaniensis (Lacewing) at Cook, ACT - 24 Mar 2023 by CathB
Ledromorpha planirostris (A leafhopper) at Cook, ACT - 24 Mar 2023 by CathB
Pyracantha angustifolia (Firethorn, Orange Firethorn) at Cook, ACT - 21 Mar 2023 by lbradley
Ditropidus pulchellus (Leaf beetle) at Cook, ACT - 21 Mar 2023 by CathB
Monolepta sp. (genus) (Leaf beetle) at Cook, ACT - 21 Mar 2023 by CathB
Stephanopis sp. (genus) (Knobbly crab spider) at Cook, ACT - 21 Mar 2023 by CathB
Paropsisterna sp. (genus) (A leaf beetle) at Cook, ACT - 19 Mar 2023 by CathB
Arkys walckenaeri (Triangle spider) at Cook, ACT - 19 Mar 2023 by CathB
Paropsis atomaria (Eucalyptus leaf beetle) at Cook, ACT - 23 Feb 2023 by CathB
Peritropha oligodrachma (A twig moth) at Cook, ACT - 23 Feb 2023 by CathB
Macrobathra (genus) (A cosmet moth) at Cook, ACT - 19 Feb 2023 by CathB
Conocephalus upoluensis (Meadow Katydid) at Cook, ACT - 19 Feb 2023 by CathB
Opodiphthera eucalypti (Emperor Gum Moth) at Cook, ACT - 14 Feb 2023 by CathB
Jalmenus icilius (Amethyst Hairstreak) at Cook, ACT - 29 Jan 2023 by CathB
Obrida fascialis (One banded longicorn) at Cook, ACT - 29 Jan 2023 by CathB
Oxyopes sp. (genus) (Lynx spider) at Cook, ACT - 29 Jan 2023 by CathB
Nemophora sparsella (An Adelid Moth) at Cook, ACT - 24 Jan 2023 by CathB
Dolophones sp. (genus) (Wrap-around Spider) at Cook, ACT - 23 Jan 2023 by CathB
Endotricha pyrosalis (A Pyralid moth) at Cook, ACT - 23 Jan 2023 by CathB
Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 19 Jan 2023 by CathB
Megachile (Hackeriapis) oblonga (A Megachild bee) at Cook, ACT - 19 Jan 2023 by CathB
Opodiphthera eucalypti (Emperor Gum Moth) at Cook, ACT - 17 Jan 2023 by CathB
Snellenia lineata (A concealer moth) at Cook, ACT - 16 Jan 2023 by CathB
Nemophora sparsella (An Adelid Moth) at Cook, ACT - 16 Jan 2023 by CathB
Monophlebidae sp. (family) (Mealy Bugs) at Cook, ACT - 16 Jan 2023 by CathB
Nabis sp. (genus) (Damsel bug) at Cook, ACT - 16 Jan 2023 by CathB
Orthetrum caledonicum (Blue Skimmer) at Cook, ACT - 7 Jan 2023 by Tammy
Neolucia agricola (Fringed Heath-blue) at Cook, ACT - 20 Dec 2022 by CathB
Lichenaula lichenea (Lichenaula lichenea) at Cook, ACT - 19 Dec 2022 by CathB
Hemicordulia tau (Tau Emerald) at Cook, ACT - 9 Dec 2022 by Chantal
Reduviidae (family) (An assassin bug) at Cook, ACT - 3 Dec 2022 by patrickcox
Tasmanicosa sp. (genus) (Unidentified Tasmanicosa wolf spider) at Cook, ACT - 18 Nov 2022 by Tammy
Taractrocera papyria (White-banded Grass-dart) at Cook, ACT - 10 Nov 2022 by CathB
Trichocolletes sp. (genus) (Spring Bee) at Cook, ACT - 10 Nov 2022 by Tammy
Megachile (Hackeriapis) oblonga (A Megachild bee) at Cook, ACT - 10 Nov 2022 by Tammy
Trapezites phigalia (Heath Ochre) at Cook, ACT - 10 Nov 2022 by Tammy
Carphurus sp. (genus) (Soft-winged flower beetle) at Cook, ACT - 9 Nov 2022 by CathB
Amphirhoe sloanei (Longicorn or Longhorn beetle) at Cook, ACT - 9 Nov 2022 by CathB
Larinus latus (Onopordum seed weevil) at Cook, ACT - 9 Nov 2022 by CathB
Plebs bradleyi (Enamelled spider) at Cook, ACT - 25 Oct 2022 by Tammy
Plebs bradleyi (Enamelled spider) at Cook, ACT - 24 Oct 2022 by CathB
Ligustrum lucidum (Large-leaved Privet) at Cook, ACT - 21 Oct 2022 by SarahHnatiuk
Oxalis sp. (Wood Sorrel) at Cook, ACT - 10 Oct 2022 by lbradley
Lasioglossum (Chilalictus) lanarium (Halictid bee) at Cook, ACT - 9 Oct 2022 by CathB
Pinus radiata (Monterey or Radiata Pine) at Cook, ACT - 3 Oct 2022 by lbradley
Nacoleia rhoeoalis (Spilomelinae) at Cook, ACT - 25 Sep 2022 by CathB
Lanciana montana (Montane Ground Shield-back) at Cook, ACT - 25 Sep 2022 by CathB
Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 25 Sep 2022 by CathB
Staphylinidae (family) (Rove beetle) at Cook, ACT - 19 Sep 2022 by CathB
Acacia boormanii (Snowy River Wattle) at Cook, ACT - 28 Aug 2022 by Tammy
Trachymela sp. (genus) (Brown button beetle) at Cook, ACT - 26 May 2022 by CathB
Dermocybe austroveneta (Green Skinhead) at Cook, ACT - 18 May 2022 by Tammy
Camponotus consobrinus (Banded sugar ant) at Cook, ACT - 18 May 2022 by Tammy
Acacia genistifolia (Early Wattle) at Cook, ACT - 24 Apr 2022 by drakes
Chorista australis (Autumn scorpion fly) at Cook, ACT - 5 Apr 2022 by Tammy
Austrolestes leda (Wandering Ringtail) at Cook, ACT - 5 Apr 2022 by Tammy
Cirsium vulgare (Spear Thistle) at Cook, ACT - 3 Apr 2022 by drakes
Cassinia quinquefaria (Cassinia) at Cook, ACT - 3 Apr 2022 by drakes
Symphyla (class) (Symphylan or garden centipede) at Cook, ACT - 26 Mar 2022 by CathB
Poneridia macdonaldi (Leaf beetle) at Cook, ACT - 25 Mar 2022 by CathB
Oxyopes sp. (genus) (Lynx spider) at Cook, ACT - 26 Feb 2022 by CathB
Calperum ottei (A recently described pygmy cricket) at Cook, ACT - 26 Feb 2022 by CathB
Plectobela undescribed species (A concealer moth) at Cook, ACT - 13 Feb 2022 by CathB
Conocephalus upoluensis (Meadow Katydid) at Cook, ACT - 13 Feb 2022 by CathB
Linyphiidae sp. (family) (Money spider or Sheet-web spider) at Cook, ACT - 1 Feb 2022 by CathB
Deliochus sp. (genus) (A leaf curling spider) at Cook, ACT - 1 Feb 2022 by CathB
Nemophora sparsella (An Adelid Moth) at Cook, ACT - 9 Jan 2022 by CathB
Exoneura sp. (genus) (A reed bee) at Cook, ACT - 9 Jan 2022 by CathB
Stomorhina sp. (genus) (Snout fly) at Cook, ACT - 9 Jan 2022 by CathB
Coryphistes ruricola (Bark-mimicking Grasshopper) at Cook, ACT - 8 Jan 2022 by CathB
Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 28 Dec 2021 by CathB
Tetrigidae (family) (Pygmy grasshopper) at Cook, ACT - 28 Dec 2021 by CathB
Dolophones sp. (genus) (Wrap-around Spider) at Cook, ACT - 19 Dec 2021 by CathB
Senecio quadridentatus (Cotton Fireweed) at Cook, ACT - 19 Dec 2021 by drakes
Senecio bathurstianus (Rough Fireweed) at Cook, ACT - 12 Dec 2021 by drakes
Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 27 Nov 2021 by Tammy
Hypericum gramineum (Small St Johns Wort) at Cook, ACT - 18 Nov 2021 by drakes
Goodenia hederacea subsp. hederacea (Ivy Goodenia, Forest Goodenia) at Cook, ACT - 18 Nov 2021 by drakes
Thysanotus tuberosus (Common Fringe-lily) at Cook, ACT - 18 Nov 2021 by drakes
Leptorhynchos squamatus (Scaly Buttons) at Cook, ACT - 15 Nov 2021 by SusanneG
Xerochrysum viscosum (Sticky Everlasting) at Cook, ACT - 15 Nov 2021 by SusanneG
Dillwynia sp. at Cook, ACT - 15 Nov 2021 by SusanneG
Hednota bivittella (Webworm) at Cook, ACT - 11 Nov 2021 by CathB
Phytoecia coerulescens (Paterson's curse stem beetle) at Cook, ACT - 5 Nov 2021 by CathB
Hypericum gramineum (Small St Johns Wort) at Cook, ACT - 30 Oct 2021 by Tammy
Sonchus oleraceus (Annual Sowthistle) at Cook, ACT - 26 Oct 2021 by drakes
Dianella revoluta var. revoluta (Black-Anther Flax Lily) at Cook, ACT - 26 Oct 2021 by drakes
Opisthoncus sp. (genus) (Unidentified Opisthoncus jumping spider) at Cook, ACT - 24 Oct 2021 by CathB
Cryptocephalinae (sub-family) (A case-bearing leaf beetle) at Cook, ACT - 23 Oct 2021 by CathB
Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 23 Oct 2021 by CathB
Tipulidae or Limoniidae (family) (Unidentified Crane Fly) at Cook, ACT - 23 Oct 2021 by CathB
Sandalodes bipenicillatus (Double-brush jumper) at Cook, ACT - 22 Oct 2021 by CathB
Galium gaudichaudii subsp. gaudichaudii (Rough bedstraw) at Cook, ACT - 19 Oct 2021 by drakes
Thysanotus patersonii (Twining Fringe Lily) at Cook, ACT - 18 Oct 2021 by drakes
Hypochaeris glabra (Smooth Catsear) at Cook, ACT - 18 Oct 2021 by drakes
Gnathifera eurybias (A Fringe-tufted Moth) at Cook, ACT - 15 Oct 2021 by CathB
Ceratopogonidae (family) (Biting Midge) at Cook, ACT - 15 Oct 2021 by CathB

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Location information

Species information

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

Sighting information

  • 2 Abundance
  • 10 Nov 2022 11:52 AM Recorded on
  • Tammy Recorded by

Additional information

  • 25mm to 50mm Animal size
  • Mixed Gender
  • Breeding behaviour Breeding behaviour
  • Alive / healthy Animal health

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
2,074,273 sightings of 18,551 species in 4,988 locations from 10,234 members
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