六六六对于飞蝗蝻期的熏蒸作用

一、前言 六六六不但是一种强有力的胃毒兼接触剂,并且具有相当的熏蒸作用,过去从事研究六六六熏蒸作用的为人不多,Srivastava和Wilson(1947)曾用德国蟑螂,东方天幕毛虫和五种仓库害虫装入金属纱笼里边,在容积二五二.二八立方尺的减压瓶里,分四种方法研究。(1)测定六六六蒸气对以上几种昆虫的熏蒸作用,认为六六六蒸气对於不同种类的昆虫和时期有不同程度的作用。(2)研究六六六

Fumigation Action of 666 against Nymphs of the Migratory Locust

In the course 0f cage tests with 666 baits against nymphs of the migratory locustLocusta migratoria manilensis Meyen),it has beetl stlggested that fumigation action of 666 might be responsible for parts of the knockdowns of nymphs which had not tasted the bait．A review of literature reveals that fmnigation action of 666 had been demonstrable againstmany species of insect exclusive of the migratory locust. Experiments were therefore carried out in September,1950 on the fumigation of 666 agaiinst this particular pest.