榆紫叶甲不同发育历期药剂防治

Experiment on the Chemical Control in Different Stages of Ambrostoma quadriimpressum

榆紫叶甲是近年来城市绿化树种榆树的重要害虫之一,并且发生危害日趋严重,已经对榆树生长造成巨大的影响。针对榆紫叶甲的3个主要发育历期进行药剂防治试验,试验得到一种作用效果较好的药剂(8%绿色威雷微胶囊剂),其在榆紫叶甲的各个发育历期中都表现出较好的效果。同时,对比不同历期的防治效果发现,幼虫期是防治榆紫叶甲的最佳时期。

Recently, Ambrostoma quadriimpressum ,maybe the most important pests endangering elm, has brought increasingly serious harm to elm mostly using in landscape greening ,and has a great influence on growth .Based on the chemical control tests of Ambrostoma quadriimpressum in three grow periods, the results describe that 8%microcapsules of green mine is more efficient, has good effects in different stages. Meanwhile it is found that the optimum time for control is the first generation grub comparing with the control effects in different stages.