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Evaluation in a multitrophic context pestic Sci,1995,(44):207218[37]賈海民，高占林，潘文亮，[J].昆蟲天敵，1999,4(21):160163[38]周琳，張耀武，盧紹輝,[J].河南林業(yè)科技,2003,3(23): 12五種農藥對赤眼蜂的安全性評價學生：陸雪 長江大學農學院指導教師：姚安慶 長江大學農學院趙學平 浙江省農業(yè)科學院[搞要] 以藥膜法和噴霧法測定了5種農藥對歐洲玉米螟赤眼蜂的急性毒性，并進行了風險評價。結果表明：5種常用農藥對不同蟲態(tài)的玉米螟赤眼蜂殺傷力差異顯著。5種農藥對玉米螟赤眼蜂成蟲的殺傷力均很強，其中10%吡蟲啉WP對成蜂期毒性最高，106 mg/cm2。 30%醚菌酯WP對赤眼蜂成蜂期毒性最低LC50為50 mg/L。%；30%醚菌酯WP對玉米螟赤眼蜂卵期毒性最低LC50為3818mg/L。%；30%醚菌酯WP對玉米螟赤眼蜂幼蟲期毒性最低LC50為5438mg/L。%；30%醚菌酯WP對玉米螟赤眼蜂預蛹期毒性最低LC50為4433mg/L。%；150g/L 茚蟲威EC對玉米螟赤眼蜂蛹期毒性最低LC50為2468mg/L。玉米螟赤眼蜂成蟲是玉米螟赤眼蜂一生中對農藥最敏感的時期，其次是卵和幼蟲，而預蛹和蛹耐藥性較強。[關鍵詞] 農藥，安全評價，玉米螟赤眼蜂The safety evaluation of Five kinds pesticides to Trichogramma Student: LuXue Agriculture School, Yangtze University Tutors: Yao Anqing Agriculture School, Yangtze UniversityZhao Xueping, Zhejiang Academy of Agricultural Sciences[Abstract] To film and spray method for the determination of five kinds of pesticides on Trichogramma ostriniae European acute toxicity, and risk assessment carried results showed that: Five different monly used pesticides on Trichogramma ostriniae state insect of mass destruction significantly. Five kinds of pesticides on adults of Trichogramma ostriniae of mass destruction which were a strong 10% imidacloprid WP into bee period of the highest toxicity,LR50 to 106mg/cm2。 30% Kresoximmethyl WP on Trichogramma sp into a minimum period of toxicity LC50 for 50 mg/L. Five kinds of pesticides in the % emamectin benzoate ME egg stage on Trichogramma ostriniae LC50 for the highest toxicity of ；30%Kresoximmethyl WP egg stage on Trichogramma ostriniae lowest LC50 toxicity to 3818mg/L. Five kinds of pesticides in the % betacypermethrin EC larva of Trichogramma ostriniae LC50 for the highest toxicity of / L。 30% Kresoximmethyl WP Trichogramma ostriniae the larval stage of the lowest LC50 toxicity to 5438mg/L. Five kinds of pesticides in % of betacypermethrin EC prepupal stage Trichogramma ostriniae LC50 for the highest toxicity of 。 30% Kresoximmethyl WP on Trichogramma ostriniae minimum prepupal stage toxicity LC50 for the 4433mg/ kinds of pesticides in the % betacypermethrin EC pupal stage on Trichogramma ostriniae LC50 for the highest toxicity of 。150g/L indoxacarb EC Trichogramma ostriniae pupal stage of the lowest LC50 toxicity to 2468mg /L. Trichogramma ostriniae Trichogramma ostriniae adult life is on the most sensitive period of pesticides, followed by eggs and larvae, while prepupae and pupae of strong resistance.[Keywords]: pesticide；Safety eval