落叶松毛虫有一个特殊的生活习性，就是在每年的 10月中旬以后，在树冠下的枯枝落叶层与地表处越过寒冷的冬季，在第二年的春天再爬上树危害树木。抓住落叶松毛虫还没有上树的时机，用塑料薄膜围扎落叶松的树干，利用薄膜的光滑性阻隔落叶松毛虫上树，使其无食物可吃而死亡，达 Larch caterpillar has a special habit of life, is in the middle of October each year, under the canopy layer under the canopy and the ground over the cold winter, in the spring of the next year and then climb the trees endanger the trees. Seize the deciduous pine caterpillars have not yet on the opportunity to use plastic film around the larch trunk, the smoothness of the film barrier deciduous pine caterpillar on the tree, so that it can eat without food and death, up to