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Data represents the average number of winged aphids captured per sticky trap over the monitoring period, as well as the number of beneficial insects. In order to mitigate risk, all aphids identified in this programme are assumed to be cereal aphids. Beneficial numbers, while useful as a guide, can vary hugely from farm to farm and paddock to paddock, as they are influenced by such factors as insecticide history, surrounding habitats such as native plantings, and microclimates.