Using semiochemicals to predict biotic resistance and facilitation of invading phytophagous insects

Rylee Isitt, Bjørn Økland, Paal Krokene, Jon Sweeney, Stephen Heard & Deepa Pureswaran
Invasive species are leading causes of biodiversity loss and economic damage. Allocating limited resources towards prevention and management of invasions requires risk assessments based on ecological knowledge for species of potential concern. Interactions of potentially invasive species with heterospecifics in a novel community will contribute to biotic resistance and facilitation experienced by the invader, and thus the likelihood of establishment. To experimentally predict heterospecific interactions, we conducted field experiments using synthetic aggregation-pheromone lures to measure...
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