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Dragonfly (Anisoptera)Austrogomphus cornutus

1 Unicorn Hunter at Gigerline Nature Reserve

3 images

Austrogomphus cornutus at Gigerline Nature Reserve - 29 Dec 2016
Austrogomphus cornutus at Gigerline Nature Reserve - 29 Dec 2016
Austrogomphus cornutus at Gigerline Nature Reserve - 29 Dec 2016

Identification history

Dragonfly (Anisoptera) Austrogomphus cornutus 14 Jun 2017 HarveyPerkins
Dragonfly (Anisoptera) Austrogomphus cornutus 14 Jun 2017 roymcd
Dragonfly (Anisoptera) Austrogomphus australis 13 Jun 2017 ibaird
Unidentified 13 Jun 2017 michaelb

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Author's notes

In Gigerline Nature Reserve, near Tharwa Sandwash.

3 comments

wrote:
   14 Jun 2017
Thanks Michaelb for the great shots (can I recommend it be featured) :-).
I'll let Harvey make the final call but I'm thinking this might be a Unicorn Hunter, based on the number seven/letter 'L' shape behind the eyes, described in Theischinger and Hawking as 'Antehumeral stripe broadly fused with collar' (p. 166).
Also the anal appendages appear to be different from those of the Stout Vicetail with which it shares the 'number 7' shape.
I think I vaguely recall Harvey mentioning that Unicorn Hunters are relatively rare in the Canberra region so quite a nice sighting if my ID suggestion is correct...
Kind regards, Roy :-)
wrote:
   14 Jun 2017
Yes - Unicorn Hunter. The other ID feature is the full 'collar' around the junction of abdominal segments 6-7. It does seem to be less common than most other ACT Gomphids (Jade Hunter excepted), and seems to be largely restricted to sandy stretches of the main rivers (Murrumbidgee, Molonglo, as well as lower reaches of Gudgenby and Paddys)
wrote:
   14 Jun 2017
I was confident I had the right genus, but clearly not the right species!

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Nearby Sightings

Page 1 of 1 pages - image sightings only 264 0 73

Vanessa kershawi (Australian Painted Lady) at Gigerline Nature Reserve - 7 Jul 2020 by RodDeb Nesoptilotis leucotis (White-eared Honeyeater) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb Melangyna sp. (genus) (Hover Fly) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb Vanellus miles (Masked Lapwing) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb Junonia villida (Meadow Argus) at Gigerline Nature Reserve - 2 Mar 2020 by RodDeb Austrogomphus cornutus (Unicorn Hunter) at Gigerline Nature Reserve - 3 Dec 2019 by JohnBundock Chrysolopus spectabilis (Botany Bay Weevil) at Gigerline Nature Reserve - 19 Nov 2019 by SWishart Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb Amaranthus retroflexus (Redroot Amaranth) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb Theclinesthes serpentata (Saltbush Blue) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb Marrubium vulgare (Horehound) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb Agonoscelis rutila (Horehound bug) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb Eurystomus orientalis (Dollarbird) at Gigerline Nature Reserve - 19 Nov 2018 by michaelb Pachycephala olivacea (Olive Whistler) at Gigerline Nature Reserve - 11 Jun 2018 by KumikoCallaway Pycnobraconoides sp. (genus) (A Braconid wasp) at Gigerline Nature Reserve - 22 Apr 2018 by YumiCallaway Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 8 Mar 2018 by michaelb Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb Argemone ochroleuca subsp. ochroleuca (Mexican Poppy, Prickly Poppy) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb Rubus anglocandicans (Blackberry) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb Microcarbo melanoleucos (Little Pied Cormorant) at Gigerline Nature Reserve - 21 Jun 2017 by michaelb Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 21 Jun 2017 by michaelb Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 6 May 2017 by michaelb Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 6 May 2017 by michaelb Atriplex semibaccata (Creeping Saltbush) at Gigerline Nature Reserve - 6 May 2017 by michaelb Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb Zanda funereus (Yellow-tailed Black-Cockatoo) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb Zosterops lateralis (Silvereye) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb Theclinesthes serpentata (Saltbush Blue) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb Austrogomphus cornutus (Unicorn Hunter) at Gigerline Nature Reserve - 16 Jan 2017 by michaelb Gastrimargus musicus (Yellow-winged Locust or Grasshopper) at Gigerline Nature Reserve - 16 Jan 2017 by michaelb Polypogon monspeliensis (Annual Beardgrass) at Gigerline Nature Reserve - 4 Jan 2017 by michaelb Heteronympha merope (Common Brown) at Gigerline Nature Reserve - 4 Jan 2017 by michaelb Pachycephala rufiventris (Rufous Whistler) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Eleale pulchra (Clerid beetle) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Gminatus australis (Orange Assassin Bug) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Utetheisa pulchelloides (Heliotrope Moth) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Cermatulus nasalis (Predatory shield bug, Glossy shield bug) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Hypericum perforatum (St John's Wort) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Maroga melanostigma (Fruit tree borer) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Eurema smilax (Small grass-yellow) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Acanthiza chrysorrhoa (Yellow-rumped Thornbill) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb Oenothera stricta subsp. stricta (Common Evening Primrose) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Veronica anagallis-aquatica (Blue Water Speedwell) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Miridae sp. (family) (Unidentified plant bug) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Rorippa sp. (A watercress) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Nososticta solida (Orange Threadtail) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Kunzea ericoides (Burgan) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Delta bicinctus (Potter wasp) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb Calotis lappulacea (Yellow burr daisy) at Gigerline Nature Reserve - 28 Feb 2016 by michaelb Conium maculatum (Hemlock) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb Mentha x piperita (Peppermint) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb Papaver somniferum (Opium Poppy) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb Rumex conglomeratus (Clustered Dock) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb Arctotheca calendula (Capeweed, Cape Dandelion) at Gigerline Nature Reserve - 14 Sep 2015 by michaelb Macropus robustus (Wallaroo) at Gigerline Nature Reserve - 13 Aug 2015 by michaelb Cassinia quinquefaria (Cassinia) at Gigerline Nature Reserve - 14 Jul 2015 by michaelb Arctotheca calendula (Capeweed, Cape Dandelion) at Gigerline Nature Reserve - 14 Jul 2015 by michaelb Wallabia bicolor (Swamp Wallaby) at Gigerline Nature Reserve - 27 Jun 2015 by michaelb Calotis lappulacea (Yellow burr daisy) at Gigerline Nature Reserve - 20 Oct 2014 by michaelb Clematis leptophylla (Small-leaf Clematis, Old Man's Beard) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb Pellaea calidirupium (Hot rock fern) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb Erodium crinitum (Native Crowfoot) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb Acacia rubida (Red-leaved Wattle) at Gigerline Nature Reserve - 10 Sep 2014 by michaelb Camponotus nigriceps (Black-headed sugar ant) at Gigerline Nature Reserve - 6 Aug 2014 by michaelb Cryptes baccatus (Wattle Tick Scale) at Gigerline Nature Reserve - 6 Aug 2014 by michaelb Vombatus ursinus (Wombat) at Gigerline Nature Reserve - 2 Aug 2014 by michaelb Caligavis chrysops (Yellow-faced Honeyeater) at Gigerline Nature Reserve - 3 Mar 2014 by michaelb Rhipidura fuliginosa (Grey Fantail) at Gigerline Nature Reserve - 2 Mar 2014 by michaelb Erodium crinitum (Native Crowfoot) at Gigerline Nature Reserve - 7 Oct 2008 by michaelb Portulaca oleracea (Pigweed, Purslane) at Gigerline Nature Reserve - 6 Mar 2006 by michaelb Pleurosorus rutifolius (Blanket Fern) at Gigerline Nature Reserve - 1 Nov 2005 by michaelb Paspalum distichum (Water Couch) at Gigerline Nature Reserve - 15 Feb 2005 by michaelb Persicaria decipiens (Slender Knotweed) at Gigerline Nature Reserve - 2 Apr 2004 by michaelb
Vanessa kershawi (Australian Painted Lady) at Gigerline Nature Reserve - 7 Jul 2020 by RodDeb
Nesoptilotis leucotis (White-eared Honeyeater) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb
Melangyna sp. (genus) (Hover Fly) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb
Vanellus miles (Masked Lapwing) at Gigerline Nature Reserve - 28 Apr 2020 by RodDeb
Junonia villida (Meadow Argus) at Gigerline Nature Reserve - 2 Mar 2020 by RodDeb
Austrogomphus cornutus (Unicorn Hunter) at Gigerline Nature Reserve - 3 Dec 2019 by JohnBundock
Chrysolopus spectabilis (Botany Bay Weevil) at Gigerline Nature Reserve - 19 Nov 2019 by SWishart
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb
Amaranthus retroflexus (Redroot Amaranth) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb
Theclinesthes serpentata (Saltbush Blue) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb
Marrubium vulgare (Horehound) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb
Agonoscelis rutila (Horehound bug) at Gigerline Nature Reserve - 13 Apr 2019 by michaelb
Eurystomus orientalis (Dollarbird) at Gigerline Nature Reserve - 19 Nov 2018 by michaelb
Pachycephala olivacea (Olive Whistler) at Gigerline Nature Reserve - 11 Jun 2018 by KumikoCallaway
Pycnobraconoides sp. (genus) (A Braconid wasp) at Gigerline Nature Reserve - 22 Apr 2018 by YumiCallaway
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 8 Mar 2018 by michaelb
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb
Argemone ochroleuca subsp. ochroleuca (Mexican Poppy, Prickly Poppy) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb
Rubus anglocandicans (Blackberry) at Gigerline Nature Reserve - 4 Dec 2017 by michaelb
Microcarbo melanoleucos (Little Pied Cormorant) at Gigerline Nature Reserve - 21 Jun 2017 by michaelb
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 21 Jun 2017 by michaelb
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 6 May 2017 by michaelb
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 6 May 2017 by michaelb
Atriplex semibaccata (Creeping Saltbush) at Gigerline Nature Reserve - 6 May 2017 by michaelb
Artemisia verlotiorum (Chinese Wormwood, Mugwort) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb
Zanda funereus (Yellow-tailed Black-Cockatoo) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb
Zosterops lateralis (Silvereye) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb
Theclinesthes serpentata (Saltbush Blue) at Gigerline Nature Reserve - 1 Apr 2017 by michaelb
Austrogomphus cornutus (Unicorn Hunter) at Gigerline Nature Reserve - 16 Jan 2017 by michaelb
Gastrimargus musicus (Yellow-winged Locust or Grasshopper) at Gigerline Nature Reserve - 16 Jan 2017 by michaelb
Polypogon monspeliensis (Annual Beardgrass) at Gigerline Nature Reserve - 4 Jan 2017 by michaelb
Heteronympha merope (Common Brown) at Gigerline Nature Reserve - 4 Jan 2017 by michaelb
Pachycephala rufiventris (Rufous Whistler) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Eleale pulchra (Clerid beetle) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Gminatus australis (Orange Assassin Bug) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Utetheisa pulchelloides (Heliotrope Moth) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Cermatulus nasalis (Predatory shield bug, Glossy shield bug) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Hypericum perforatum (St John's Wort) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Maroga melanostigma (Fruit tree borer) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Eurema smilax (Small grass-yellow) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Acanthiza chrysorrhoa (Yellow-rumped Thornbill) at Gigerline Nature Reserve - 28 Dec 2016 by michaelb
Oenothera stricta subsp. stricta (Common Evening Primrose) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Veronica anagallis-aquatica (Blue Water Speedwell) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Miridae sp. (family) (Unidentified plant bug) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Rorippa sp. (A watercress) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Nososticta solida (Orange Threadtail) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Kunzea ericoides (Burgan) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Delta bicinctus (Potter wasp) at Gigerline Nature Reserve - 27 Dec 2016 by michaelb
Calotis lappulacea (Yellow burr daisy) at Gigerline Nature Reserve - 28 Feb 2016 by michaelb
Conium maculatum (Hemlock) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb
Mentha x piperita (Peppermint) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb
Papaver somniferum (Opium Poppy) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb
Rumex conglomeratus (Clustered Dock) at Gigerline Nature Reserve - 11 Jan 2016 by michaelb
Arctotheca calendula (Capeweed, Cape Dandelion) at Gigerline Nature Reserve - 14 Sep 2015 by michaelb
Macropus robustus (Wallaroo) at Gigerline Nature Reserve - 13 Aug 2015 by michaelb
Cassinia quinquefaria (Cassinia) at Gigerline Nature Reserve - 14 Jul 2015 by michaelb
Arctotheca calendula (Capeweed, Cape Dandelion) at Gigerline Nature Reserve - 14 Jul 2015 by michaelb
Wallabia bicolor (Swamp Wallaby) at Gigerline Nature Reserve - 27 Jun 2015 by michaelb
Calotis lappulacea (Yellow burr daisy) at Gigerline Nature Reserve - 20 Oct 2014 by michaelb
Clematis leptophylla (Small-leaf Clematis, Old Man's Beard) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb
Pellaea calidirupium (Hot rock fern) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb
Erodium crinitum (Native Crowfoot) at Gigerline Nature Reserve - 17 Sep 2014 by michaelb
Acacia rubida (Red-leaved Wattle) at Gigerline Nature Reserve - 10 Sep 2014 by michaelb
Camponotus nigriceps (Black-headed sugar ant) at Gigerline Nature Reserve - 6 Aug 2014 by michaelb
Cryptes baccatus (Wattle Tick Scale) at Gigerline Nature Reserve - 6 Aug 2014 by michaelb
Vombatus ursinus (Wombat) at Gigerline Nature Reserve - 2 Aug 2014 by michaelb
Caligavis chrysops (Yellow-faced Honeyeater) at Gigerline Nature Reserve - 3 Mar 2014 by michaelb
Rhipidura fuliginosa (Grey Fantail) at Gigerline Nature Reserve - 2 Mar 2014 by michaelb
Erodium crinitum (Native Crowfoot) at Gigerline Nature Reserve - 7 Oct 2008 by michaelb
Portulaca oleracea (Pigweed, Purslane) at Gigerline Nature Reserve - 6 Mar 2006 by michaelb
Pleurosorus rutifolius (Blanket Fern) at Gigerline Nature Reserve - 1 Nov 2005 by michaelb
Paspalum distichum (Water Couch) at Gigerline Nature Reserve - 15 Feb 2005 by michaelb
Persicaria decipiens (Slender Knotweed) at Gigerline Nature Reserve - 2 Apr 2004 by michaelb

1 

Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 1 Abundance
  • 25mm to 50mm Animal size (cm)
  • 28 Dec 2016 Recorded on
  • michaelb Recorded by

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