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Onopordum acanthium

Scotch Thistle at Symonston, ACT

Onopordum acanthium at Symonston, ACT - 12 Oct 2015
Onopordum acanthium at Symonston, ACT - 12 Oct 2015
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Identification history

Onopordum acanthium 17 Oct 2015 MichaelMulvaney
Onopordum acanthium 12 Oct 2015 Mike

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User's notes

Large patches under trees. Shows attack by introduced weevils.

1 comment

   18 Oct 2015
The photo of the leaf shows stem boring weevils at work, they were first released to control Scotch and Illyrian thistle in 1993, they weaken the plant and reduce seed production rather than killing it outright. the beetle larvae do most of the damage

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Nearby sightings

Page 1 of 1 - image sightings only 53 0 53

Entomophthora sp. (genus) (Puppeteer Fungus) at Symonston, ACT - 13 Jun 2022 by rawshorty Caedicia simplex (Common Garden Katydid) at Symonston, ACT - 10 Jan 2022 by rawshorty Cerdistus sp. (genus) (Robber fly) at Symonston, ACT - 10 Jan 2022 by rawshorty Eucalyptus blakelyi (Blakely's Red Gum) at Symonston, ACT - 27 Nov 2021 by MichaelMulvaney Amphibromus sp. (Swamp Wallaby Grass) at Symonston, ACT - 21 Oct 2021 by JaneR Holcus lanatus (Yorkshire Fog) at Symonston, ACT - 21 Oct 2021 by JaneR Centrolepis strigosa (Hairy centrolepis) at Symonston, ACT - 21 Oct 2021 by JaneR Drosera gunniana at Symonston, ACT - 21 Oct 2021 by JaneR Trifolium campestre (Hop Clover) at Symonston, ACT - 21 Oct 2021 by JaneR Trifolium glomeratum (Clustered Clover) at Symonston, ACT - 21 Oct 2021 by JaneR Ranunculus repens (Creeping Buttercup) at Symonston, ACT - 12 Oct 2021 by Mike Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 12 Oct 2021 by Mike Oxyops fasciatus (A weevil) at Symonston, ACT - 2 Sep 2021 by rawshorty Servaea incana (Hoary Servaea) at Symonston, ACT - 2 Sep 2021 by rawshorty Papyrius sp (undescribed) (Hairy Coconut Ant) at Symonston, ACT - 2 Sep 2021 by rawshorty Anax papuensis (Australian Emperor) at Symonston, ACT - 2 Sep 2021 by rawshorty Camponotus consobrinus (Banded sugar ant) at Symonston, ACT - 29 Jun 2021 by RodDeb Apis mellifera (European honey bee) at Symonston, ACT - 29 Jun 2021 by RodDeb Cermatulus nasalis (Predatory shield bug, Glossy shield bug) at Symonston, ACT - 23 May 2021 by rawshorty Macropus giganteus (Eastern Grey Kangaroo) at Symonston, ACT - 1 May 2021 by RodDeb Hemicordulia tau (Tau Emerald) at Symonston, ACT - 25 Apr 2021 by MatthewFrawley Tolpis barbata (Yellow Hawkweed) at Symonston, ACT - 8 Nov 2020 by RobParnell Onopordum acanthium (Scotch Thistle) at Symonston, ACT - 9 Sep 2020 by Mike Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 9 Sep 2020 by Mike Echium plantagineum (Paterson's Curse) at Symonston, ACT - 6 Sep 2020 by YellowButton Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 21 Jun 2020 by Mike Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 21 Jun 2020 by Mike Chenopodium album (Fat Hen) at Symonston, ACT - 2 May 2020 by Mike Pogona barbata (Bearded Dragon) at Symonston, ACT - 8 Sep 2019 by HelenCross Chalcididae sp. (family) (Unidentified chalcid wasp) at Symonston, ACT - 25 Aug 2019 by rawshorty Laetiporus portentosus (White Punk) at Symonston, ACT - 2 Mar 2019 by BIrdsinCanberra Ocyphaps lophotes (Crested Pigeon) at Symonston, ACT - 2 Mar 2019 by BIrdsinCanberra Iridomyrmex purpureus (Meat Ant) at Symonston, ACT - 27 Nov 2018 by Mike Platycercus elegans (Crimson Rosella) at Symonston, ACT - 10 Oct 2018 by BIrdsinCanberra Ranunculus muricatus (Sharp Buttercup) at Symonston, ACT - 11 Oct 2015 by Mike Lixus cardui (Thistle Stem-borer Weevil) at Symonston, ACT - 11 Oct 2015 by Mike Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 20 Oct 2014 by Mike Silene gallica var. gallica (French Catchfly) at Symonston, ACT - 20 Oct 2014 by Mike Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 8 Oct 2014 by Mike Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 22 Nov 2013 by Mike
Entomophthora sp. (genus) (Puppeteer Fungus) at Symonston, ACT - 13 Jun 2022 by rawshorty
Caedicia simplex (Common Garden Katydid) at Symonston, ACT - 10 Jan 2022 by rawshorty
Cerdistus sp. (genus) (Robber fly) at Symonston, ACT - 10 Jan 2022 by rawshorty
Eucalyptus blakelyi (Blakely's Red Gum) at Symonston, ACT - 27 Nov 2021 by MichaelMulvaney
Amphibromus sp. (Swamp Wallaby Grass) at Symonston, ACT - 21 Oct 2021 by JaneR
Holcus lanatus (Yorkshire Fog) at Symonston, ACT - 21 Oct 2021 by JaneR
Centrolepis strigosa (Hairy centrolepis) at Symonston, ACT - 21 Oct 2021 by JaneR
Drosera gunniana at Symonston, ACT - 21 Oct 2021 by JaneR
Trifolium campestre (Hop Clover) at Symonston, ACT - 21 Oct 2021 by JaneR
Trifolium glomeratum (Clustered Clover) at Symonston, ACT - 21 Oct 2021 by JaneR
Ranunculus repens (Creeping Buttercup) at Symonston, ACT - 12 Oct 2021 by Mike
Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 12 Oct 2021 by Mike
Oxyops fasciatus (A weevil) at Symonston, ACT - 2 Sep 2021 by rawshorty
Servaea incana (Hoary Servaea) at Symonston, ACT - 2 Sep 2021 by rawshorty
Papyrius sp (undescribed) (Hairy Coconut Ant) at Symonston, ACT - 2 Sep 2021 by rawshorty
Anax papuensis (Australian Emperor) at Symonston, ACT - 2 Sep 2021 by rawshorty
Camponotus consobrinus (Banded sugar ant) at Symonston, ACT - 29 Jun 2021 by RodDeb
Apis mellifera (European honey bee) at Symonston, ACT - 29 Jun 2021 by RodDeb
Cermatulus nasalis (Predatory shield bug, Glossy shield bug) at Symonston, ACT - 23 May 2021 by rawshorty
Macropus giganteus (Eastern Grey Kangaroo) at Symonston, ACT - 1 May 2021 by RodDeb
Hemicordulia tau (Tau Emerald) at Symonston, ACT - 25 Apr 2021 by MatthewFrawley
Tolpis barbata (Yellow Hawkweed) at Symonston, ACT - 8 Nov 2020 by RobParnell
Onopordum acanthium (Scotch Thistle) at Symonston, ACT - 9 Sep 2020 by Mike
Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 9 Sep 2020 by Mike
Echium plantagineum (Paterson's Curse) at Symonston, ACT - 6 Sep 2020 by YellowButton
Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 21 Jun 2020 by Mike
Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 21 Jun 2020 by Mike
Chenopodium album (Fat Hen) at Symonston, ACT - 2 May 2020 by Mike
Pogona barbata (Bearded Dragon) at Symonston, ACT - 8 Sep 2019 by HelenCross
Chalcididae sp. (family) (Unidentified chalcid wasp) at Symonston, ACT - 25 Aug 2019 by rawshorty
Laetiporus portentosus (White Punk) at Symonston, ACT - 2 Mar 2019 by BIrdsinCanberra
Ocyphaps lophotes (Crested Pigeon) at Symonston, ACT - 2 Mar 2019 by BIrdsinCanberra
Iridomyrmex purpureus (Meat Ant) at Symonston, ACT - 27 Nov 2018 by Mike
Platycercus elegans (Crimson Rosella) at Symonston, ACT - 10 Oct 2018 by BIrdsinCanberra
Ranunculus muricatus (Sharp Buttercup) at Symonston, ACT - 11 Oct 2015 by Mike
Lixus cardui (Thistle Stem-borer Weevil) at Symonston, ACT - 11 Oct 2015 by Mike
Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 20 Oct 2014 by Mike
Silene gallica var. gallica (French Catchfly) at Symonston, ACT - 20 Oct 2014 by Mike
Stackhousia monogyna (Creamy Candles) at Symonston, ACT - 8 Oct 2014 by Mike
Pimelea curviflora (Curved Rice-flower) at Symonston, ACT - 22 Nov 2013 by Mike

Location information

Species information

  • Not Sensitive
  • Exotic
  • Noxious or High Risk Weed or Pest

Sighting information

  • 1,001 - 10,000 Abundance
  • 12 Oct 2015 08:40 AM Recorded on
  • Mike Recorded by
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