筛豆龟蝽卵寄生蜂田间发生调查初报
A preliminary investigation of egg parasitoids of Megacopta cribraria in soy bean fields.
张友廷1;杜相革1;董民1;邵伟2
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DOI：
作者单位：1.中国农业大学农学与生物技术学院,北京100094;2.江苏省溧水县植保站,溧水211200
中文关键词：筛豆龟蝽;卵寄生蜂;卵跳小蜂;自然状态;寄生率
英文关键词：Megacopta cribraria; eggparasitoids;Ooency rtus sp.; natural conditions; parasitic rate
中文摘要：调查表明 ,筛豆龟蝽卵雌虫从 5月初开始产卵 ,5月中旬到 6月底为产卵高峰期 ,接着进入产卵衰退期 ,高峰期产卵量占 80.4%。通过有机毛豆田间标记筛豆龟蝽卵块 ,共发现 2种卵寄生蜂 :卵跳小蜂Ooencyrtussp .和沟黑卵蜂Trissolcussp .。结果发现 :卵跳小蜂是优势种
英文摘要：The distribution of eggs of Megacopta cribraria was observed and the control of this pest by egg parasitoids in an organic soybean fi eld were investigated in Jiangsu in 2002. Female Megacopta cribraria began to oviposit in early May, with