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First release and establishment of the biological control agent Cecidochares connexa for the management of Chromolaena odorata (L.) R.M. King & H. Rob (chromolaena) in Australia

Pukallus, K., Kronk, A. and Franklin, M. (2022) First release and establishment of the biological control agent Cecidochares connexa for the management of Chromolaena odorata (L.) R.M. King & H. Rob (chromolaena) in Australia. In: 22nd Australasian Weeds Conference, 25 – 29 September 2022, Adelaide, South Australia.

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Abstract

Chromolaena odorata (L.) R.M. King & H. Rob (chromolaena or Siam weed) is a scrambling invasive shrub native to tropical America that significantly impacts terrestrial systems in Africa, SE Asia and, more recently, northern Australia. After its northern Queensland detection in 1994, C. odorata was part of a national cost-share eradication program until 2012 when eradication was deemed unfeasible. Anticipating the risk of C. odorata to the Australian environment, host testing commenced on the stemgalling fly Cecidochares connexa (Macquart), which was approved for release in 2018. This is Australia’s first biological control agent for Chromolaena odorata.

Item Type:Conference or Workshop Item (Paper)
Business groups:Biosecurity Queensland
Keywords:Chromolaena odorata, Siam weed, biological control agent, Australia’s first, Queensland, Northern Territory.
Subjects:Science > Entomology
Science > Invasive Species > Plants > Biological control
Science > Invasive Species > Plants > Eradication and containment
Science > Invasive Species > Plants > Weed ecology
Science > Zoology > Invertebrates > Insects
Plant pests and diseases > Weeds, parasitic plants etc
Plant pests and diseases > Plant pathology
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Agriculture > By region or country > Australia
Deposited On:18 Jan 2023 04:48
Last Modified:18 Jan 2023 04:48

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