在我省长江以南,土栖白蚊(卤土螱Odontotermes fontanellus 和黄翅大螱Maorotermes barneyi)危害杉木林,特别是对幼树的危害更大.轻则影响植株的正常生长发育,形成“小老树”,重则致植株死亡.防治上,以往用人工挖掘林地白蚁巢穴,捕杀蚁王、蚁后,从而消灭土栖白蚁群体,或用鼓风压烟和自然压烟,用熏蒸剂磷化铝、硫酰氟等药剂熏蒸,以及喷撒灭蚊灵(Mirex)粉剂等方法.这些方法施用得当,可以取得满意效果.但挖掘法,要费大量劳动力,挖掘大量土方,同时,在挖掘过程中还会伤害一些植株根系,影响这些植株正 To the south of the Yangtze River in our province, the whiteworms (Odontotermes fontanellus and Maorotermes barneyi) endangered the Chinese fir plantations, especially the saplings, which affected the normal growth and development of plants and formed the “ Small old trees, ”while the weight of the plant died.Prevention, the past, with artificial digging termites nest, kill queen ants, ants later, thereby eliminating the termites termites groups, or the use of blast smoke and natural cigarette smoke, with fumigant Aluminum phosphide, sulfuryl fluoride and other agents fumigation, as well as spraying mosquito killer (Mirex) powder method, etc. These methods properly applied, can achieve satisfactory results.But the mining method, to spend a lot of labor, dig a large amount of earthwork, at the same time, During excavation, some plant roots will be harmed, affecting these plants