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当前位置: 首页 > 文章 > 益蝽成虫对草地贪夜蛾不同龄期幼虫的捕食能力 中国生物防治学报 2019 (5) 691-697
Position: Home > Articles > Predation Potential of Adult of Picromerus lewisi(Fallou) on Larvae of Spodoptera frugiperda Chinese Journal of Biological Control 2019 (5) 691-697

益蝽成虫对草地贪夜蛾不同龄期幼虫的捕食能力

作  者：
王燕;王孟卿;张红梅;赵雪晴;尹艳琼;李向永;唐艺婷;陈斌;陈福寿;张礼生
单  位：
云南省农业科学院农业环境资源研究所;云南农业大学植物保护学院;中国农业科学院植物保护研究所/中美合作生物防治实验室
关键词：
益蝽;草地贪夜蛾;捕食;生物防治
摘  要：
为了评估益蝽成虫对草地贪夜蛾不同龄期幼虫的捕食潜力,本试验在室内条件下开展了益蝽雌性和雄性成虫对草地贪夜蛾3、4、5龄幼虫的捕食能力试验。结果表明:益蝽雌性和雄性成虫对草地贪夜蛾3、4、5龄幼虫的捕食功能反应均符合HollingⅡ模型,雌性成虫对草地贪夜蛾3、4、5龄的日最大捕食量分别为61.013、30.057、10.251头;瞬时攻击率分别为1.093、1.441、0.964;处理时间分别为0.384、0.792、2.352 h。雄性成虫对草地贪夜蛾3、4、5龄的日最大捕食量分别为58.824、24.522、9.302头;瞬时攻击率分别为0.996、1.365、1.210;处理时间分别为0.408、0.984、3.072 h。益蝽成虫对草地贪夜蛾3、4、5龄幼虫都能捕食,对3龄幼虫捕食量最大,最喜欢捕食4～5龄幼虫,对4龄幼虫的瞬时攻击率最高,益蝽对草地贪夜蛾具有较好的捕食能力,为草地贪夜蛾的可持续防控提供了新的方法和依据。
译  名：
Predation Potential of Adult of Picromerus lewisi(Fallou) on Larvae of Spodoptera frugiperda
作  者：
WANG Yan;WANG Mengqing;ZHANG Hongmei;ZHAO Xueqing;YIN Yanqiong;LI Xiangyong;TANG Yiting;CHEN Bin;CHEN Fushou;ZHANG Lisheng;Institute of Agriculture Environment and Resources, Yunnan Academy of Agricultural Sciences;College of Plant Protection,Yunnan Agriculture University;Institute of Plant protection, Chinese Academy of Agricultural Sciences/USDA-ARS Sino-American Biological Control Laboratory;
关键词：
Picromerus lewisi;;Spodoptera frugiperda;;predatory;;biological control
摘  要：
In order to investigate the predation potential of Picromerus lewisi(Fallou) on Spodoptera frugiperda(J. E. Smith), the ability of P. lewisi adults to predate on the 3 rd, 4 th and 5 th instar larvae of S. frugiperda was studied under laboratory conditions. The results showed that the maximum daily predation amounts of female adults on the 3 rd, 4 th and 5 th instar larvae were 61.013, 30.051 and 10.251, respectively. The attacking efficiencies were 1.093, 1.441 and 0.964, respectively. The treatment times were 0.384,0.792 and 2.352 h, respectively. The maximum daily preys consumed by the male adults on the 3 rd, 4 th and 5 th instar larvae were 58.824, 24.522 and 9.302, respectively. The attacking efficiencies were 0.996, 1.365 and 1.2107, respectively. The treatment times were 0.408, 0.984 and 3.072 h, respectively. The predation of P. lewisi adults on the 3 rd instar larvae of S. frugiperda was the largest, and the predator also preferred the 4 th and 5 th instar larvae. The attacking efficiencies of both male and female adults against the 4 th instar larvae were the highest. The results indicate that P. lewisi has good control potential on S. frugiperda and can be used for the prevention and control of S. frugiperda.

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