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菜蛾Piuteiia xylostella Linnaeus属鳞翅目菜蛾科,别名小菜蛾,是蔬菜上间歇性猖獗的次要害虫,从七十年代起逐渐上升为主要害虫,为害甚重,对发展蔬菜生产影响很大。为此笔者对菜蛾田间为害情况进行了调查,为了摸清其生物学特性,并进行了饲养观察。现将有关资料整理如下:
The diamondback moth, Piuteiia xylostella Linnaeus, is a member of the family Lepidoptera, also known as the diamondback moth. It is a secondary pest that is intermittently rampant on vegetables. It gradually rose from the seventies to the major pests, causing serious damage and greatly affecting the development of vegetable production. For this reason, I conducted a survey on the infestation of the diamondback moth in order to find out its biological characteristics and observed the feeding. The relevant information is now organized as follows: