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期 刊 ：植物保护学报 1998年

关键词：小菜蛾；寄生昆虫种类；寄生率；

Keywords:Plutella xylostella, parasitoid, rates of parasitization,

摘 要 ：１９８９～１９９６年，在杭州郊区调查了十字花科蔬菜小菜蛾的寄生昆虫天敌种类和被寄生率，共发现６种原寄生天敌，即赤眼蜂Ｔｉｃｈｏｇｒａｍｍａ．ｓｐ．菜蛾绒茧蜂Ｃｏｔｅｓｉａｐｌｕｔｅｌｌａｅ，颈双缘姬蜂Ｄｉａｄｒｏｍｕｓｃｏｌｌａｒｉｓ，菜蛾啮小蜂Ｏｏｍｙｚｕｓｓｏｋｏｌｏｗｓｋｉｉ，螟蛉埃姬蜂Ｉｔｏｐｌｅｔｉｃｎａｒａｎｙａｅ，无脊大腿小蜂Ｂｒａｃｈｙｍｅｒｉａｅｘｃａｖｉｎａｔａ．以及７种菜蛾绒

Abstract:In 1989 - 1996, the species and parasitization of the parasitoids on diamond-back moth (DBM), Plutella xylostella L. , in crucifer fields in the suburbs of Hangzhou were investigated. Six parasitic species, i. e. , Trichogramma sp. , Cotesia plutellae Kur

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