Coleophora dahurica Falkovitsh has one generation a year in Jiutai .The results of spraying smoke by using 1.2%matrine smoke indiated that the average control effect was 87%, the dropping rate of insect was 83%~95%.%在九台市，落叶松鞘蛾1 a发生1代。采用1．2％苦参烟碱进行喷烟防治，平均防治效果为87％，虫口减退率为83％～95％。
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