室内观察结合野外调查摸清了松针斑蛾的生物学特性,同时以相同浓度的白僵菌、吡虫啉粉剂与护林神系列产品粉剂在林间对幼虫进行药效试验结果表明:(1)此虫在龙陵县龙江乡1年发生2代,危害高峰期分别为3—4月及7—8月。(2)几种药剂药效从高到低依次是吡虫啉、护林神2号、1号、3号、白僵菌,其校正死亡率分别为96.2%、88.4%、85.1%、79.4%.、72.7%。其残效期分别为3 d和20 d。 Indoor observation combined with field investigation to find out the biological characteristics of the pine needle moth, at the same time with the same concentration of Beauveria bassiana, imidacloprid powder and Lin Mu series of powder in the forest larvae efficacy test results show that: (1) In Longling Township, Longling County, there occurred two generations in a year, with the peak season of March to April and July to August respectively. (2) The efficacies of several medicaments were as follows: imidacloprid, linlin 2, No. 1 and No. 3, and Beauveria bassiana, the corrected mortalities were 96.2%, 88.4%, 85.1% and 79.4% 72.7%. The residual period was 3 d and 20 d respectively.