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Phosphine-resistant grain insects eliminated

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The application of commonly recommended management principles has eradicated a strain of grain-storage insects with strong phosphine resistance located on a Western Australian farm... It is believed to be the first time that elimination of on-farm grain-storage insects with strong phosphine resistance has been scientifically documented and confirmed in Australia and possibly the world... Hygiene treatments used at the Wubin farm to eradicate the resistant RFB population included: pressure washing inside empty silos, storage surrounds, handling equipment and machinery; the application of contact chemical insecticide to kill insects in grain residues at the base of silos and the removal of waste for burial; and treating clean, empty silos with diatomaceous earth protectant to prevent reinfestation...