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灭幼脲Ⅲ号是七十年代发展起来的新型杀虫剂,其主要作用是抑制昆虫体壁几丁质的合成,对高等动物及其它有益生物比较安全,可望成为综合防治松毛虫的主要手段之一。1984年5-6月,我们在河北省东陵林场西山林区,采用灭幼脲Ⅲ号进行了林间防治松毛虫试验和残效期试验,并对该杀虫剂的后效作用及对寄生性天敌的影响做了初步的测定和观察。
It is the new type of insecticide developed in the seventies. Its main function is to inhibit the synthesis of insect chitin, which is safer for higher animals and other beneficial organisms and is expected to become the main control agent of pine caterpillars One of the means. From May to June of 1984, we carried out the experiment of controlling pine caterpillars and the residual effect in the forest with Xanthogenol III in Xishan forest area, Donglin forest farm, Hebei province. The effect of the insecticide and parasitism The effects of sexual predators made a preliminary determination and observation.