Data

Spear thistle biocontrol

Atlas of Living Australia

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://collections.ala.org.au/public/show/dr18249&rft.title=Spear thistle biocontrol&rft.publisher=Atlas of Living Australia&rft.description=Cirsium vulgare Common name: spear thistle [Spear thistle](http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weeddetails.pl?taxon_id=9636) adversely impacts agriculture by competing with pasture species, inhibiting stock movement, contaminating wool, and causing injury to animals. [Three biocontrol agents](https://biocollect.ala.org.au/biocontrolhub/project/index/c5b3564b-b170-4105-9e37-6c3de8219e7b?hub=biocontrolhub) have been released in Australia: 1. Spear thistle crown weevil *Trichosirocalus horridus* 2. Spear thistle gall fly *Urophora stylata* 3. Spear thistle receptacle weevil *Rhinocyllus conicus* Further information is required on the establishment, spread and impact of these agents.&rft.creator=Anonymous&rft.date=2025&rft.type=dataset&rft.language=English Access the data

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Brief description

Cirsium vulgare Common name: spear thistle [Spear thistle](http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weeddetails.pl?taxon_id=9636) adversely impacts agriculture by competing with pasture species, inhibiting stock movement, contaminating wool, and causing injury to animals. [Three biocontrol agents](https://biocollect.ala.org.au/biocontrolhub/project/index/c5b3564b-b170-4105-9e37-6c3de8219e7b?hub=biocontrolhub) have been released in Australia: 1. Spear thistle crown weevil *Trichosirocalus horridus* 2. Spear thistle gall fly *Urophora stylata* 3. Spear thistle receptacle weevil *Rhinocyllus conicus* Further information is required on the establishment, spread and impact of these agents.

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