【摘要】 杉树为我国南方主要树种，大四方林区幼杉受蚁害很重，叶色发黄的不良株率高达31．84％，死株率高达28．2％。白蚁危害引起幼杉枯死的原因是地上部分受土白蚁危害，地下根部遭到散白蚁危害，切断了输导组织和破坏根部致死，其中尤以3—5年生的幼杉死亡率最高。诱饵剂防治白蚁的效果与设堆投饵后能有7—10天避开雨天有关，否则诱集效果较差。更多还原

【Abstract】 Cunninghamia lanceolata Hook is a main kind of tree in southern China. Young Cunninghamia lanceolata large square forest are seriously affected by termites, Death rate of plant is 28. 2%, and unhealthy rate of plant is 31. 84%. When Odontotermes harms the tree on the ground and Reticulitermes harms underground, both harms cut out the transmit tissue and damdge the root of trees.3-5years young Cunninghamia lanceolata have the highest motality. The effect of bait on termites depends on avoiding of rain in 7 - 10 days of setting the bait heaps,or it doesnt work well更多还原