Abstract:Abstract: To control Clostera anachoreta(Fabricius) and protect Poplar,the control test on 5% Emamectin benzoate water dispersible granule by Chongqing Pharmaceutical (Group) Co., Ltd. the results showed that with 5% emamectin benzoate water dispersible granule was applied pesticide during the 2~3 ages with high control rate and fast effect, it is safety for Poplar growth.