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Current Opinion in Insect Science
Vol. 38, 2020, Pages: 72–78

Biocontrol of invasive weeds under climate change: progress, challenges and management implications

YanSun1, JianqingDing2, EvanSiemann3, Stephen RKeller4

Department of Biology/Ecology & Evolution, University of Fribourg, 1700 Fribourg, Switzerland


Climate change is predicted to increase the frequency and impact of plant invasions, creating a need for new control strategies as part of mitigation planning. The complex interactions between invasive plants and biocontrol agents have created distinct policy and management challenges, including the effectiveness and risk assessment of biocontrol under different climate change scenarios. In this brief review, we synthesize recent studies describing the potential ecological and evolutionary outcomes for biocontrol agents/candidates for plant invaders under climate change. We also discuss potential methodologies that can be used as a framework for predicting ecological and evolutionary responses of plant-natural enemy interactions under climate change, and for refining our understanding of the efficacy and risk of using biocontrol on invasive plants.

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