Putting smells into context: Using in vivo technologies to understand plant-insect odour signalling.

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How insects find host plants is central to understanding their basic ecology and management. We use a novel cross-disciplinary approach to target a key pest insect's responses to a host-plant, genetically modified to smell different. This insect pest, the cotton bollworm, costs the Australian economy millions in lost revenue every year. Reliance on insecticides to control insect pests is exacerbated by increasing insecticidal resistance and is a major economic, environmental and health concern. Our research will open the door to novel control strategies that use the natural odours of plants to reduce their attractiveness to insect pests.