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山楂叶螨 (ＴｅｔｒａｎｙｃｈｕｓｖｉｅｎｎｅｎｓｉｓＺａｃｈｅｒ)是苹果园内主要害虫之一。随着近年来杀虫剂的大量使用 ,果园生态平衡遭到破坏 ,天敌减少 ,对山楂叶螨控制作用降低。同时山楂叶螨对药剂产生抗性 ,为害逐年猖獗 ,果园喷药次数年年增多 ,不仅果农负担加重 ,
Tetranychus viennensis Zacher is one of the major pests in apple orchard. With the extensive use of pesticides in recent years, the ecological balance of orchards has been destroyed, reducing the number of natural enemies and reducing the control effect of hawthorn spider mites. At the same time hawthorn spider mite resistant to pesticides, the damage rampant year after year, the number of orchards increased year after year, not only increased the burden on farmers,