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马尾松毛虫Dendrolmus punctatns Walker是我国南方马尾松林区的一大害虫,常周期性蔓延,猖獗成灾,造成极大的损失。为探索利用马尾松毛虫的天敌,于1982—1984年在我省马尾松毛虫发生有代表性的地区:重庆、内江、泸州、自贡4个地(市)13个县(区)的林区进行调查。调查结果,有寄生性昆虫共计27种,分属两个目、9个科、19属。其中卵寄生蜂8种,松毛虫3、4龄幼虫寄生昆虫5种,幼虫—蛹寄生昆虫14种。
Dendrolmus punctatns Walker is a large pest in Masson pine forest in southern China. It often spreads periodically and causes serious damage. To explore the use of natural enemies of Dendrolimus punctatus, in 1982-1984 in our province occurred a representative area of Dendrolimus punctatus: Chongqing, Neijiang, Luzhou, Zigong 4 prefecture (city) 13 counties (districts) of the forest area survey. The survey results showed that there are 27 species of parasitic insects belonging to two orders, 9 families and 19 genera. Among them, there are 8 eggs parasitic wasps, 5 parasitic insects of 3rd and 4th instar of pine caterpillars and 14 kinds of larvae and pupae parasitic insects.