This finding is of great significance in reducing the cost of control, extending the scope of control and delaying the development of insecticide-resistance of the pest.

这对降低防治成本，扩大防治范围，延缓害虫抗药性的产生具有重要意义。

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This finding is of great significance in reducing the cost of control, extending the scope of control and delaying the development of insecticide-resistance of the pest.

这对降低防治成本，扩大防治范围，延缓害虫抗药性的产生具有重要意义。

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