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应用赤眼蜂防治园林树木食叶害虫试验

Laicheng Jiang,Su Shen,Chunjun Wang,Wufan Yu,Jingran Mu,Chunyan Wang

Protection Forest Science and Technology（2017）

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Abstract
通过采用松毛虫赤眼蜂对齐齐哈尔市园林树木食叶害虫进行防治试验,结果表明:针对刺蛾类食叶害虫,600 m2的试验样地每年释放2万头、连续放蜂2年,可累计虫口减退率70%;针对杨毒蛾等杨树食叶害虫,600 m2的试验样地每年释放2万头,连续放蜂3年,可累计减少食叶率达75%以上.松毛虫赤眼蜂对园林树木食叶害虫有较好的防治效果.
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