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王 燕1, 2, 张红梅1, 尹艳琼1, 李向永1, 赵雪晴1, 唐艺婷3, 王孟卿3, 谌爱东1, 陈福寿1*, 张礼生3*.蠋蝽成虫对草地贪夜蛾不同龄期幼虫的捕食能力[J].植物保护,2019,45(5):42-46.
蠋蝽成虫对草地贪夜蛾不同龄期幼虫的捕食能力
Predation of adult of Arma chinensis to larvae of Spodoptera frugiperda
投稿时间:2019-07-08  修订日期:2019-07-10
DOI:DOI: 10.16688/j.zwbh.2019346
中文关键词:  蠋蝽成虫  草地贪夜蛾  捕食  生物防治
英文关键词:adults of Arma chinensis  Spodoptera frugiperda  predation  biological control
基金项目:国家重点研发计划(2017YFD0201000, 2017YFE0104900)
作者单位
王 燕1, 2, 张红梅1, 尹艳琼1, 李向永1, 赵雪晴1, 唐艺婷3, 王孟卿3, 谌爱东1, 陈福寿1*, 张礼生3* 1. 云南省农业科学院农业环境资源研究所, 昆明 650205
2. 云南农业大学植物保护学院, 昆明 650201
3. 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, 北京 100193 
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中文摘要:
      为了探究蠋蝽Arma chinensis (Fallou)对草地贪夜蛾Spodoptera frugiperda (J.E.Smith)的生防潜力, 在室内条件下测定了蠋蝽成虫对草地贪夜蛾3、4、5龄幼虫的捕食能力。结果表明:雌性成虫对草地贪夜蛾3、4、5龄幼虫的日最大捕食量分别为59.7、23.4、9.0头; 瞬时攻击率分别为1.081±0.133、1.247±0.116、0.984±0.159; 处理时间分别为(0.017±0.001)、(0.043±0.002)、(0.111±0.014)d。雄性成虫对草地贪夜蛾3、4、5龄幼虫的日最大捕食量分别为58.9、22.5、8.3头; 瞬时攻击率分别为0.964±0.118、1.248±0.095、1.025±0.183; 处理时间分别为(0.017±0.002)、(0.044±0.002)、(0.121±0.015)d。蠋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, 雌雄成虫都对4龄幼虫的瞬时攻击率最高。试验证实蠋蝽对草地贪夜蛾具有较好的控害效果, 可用于对草地贪夜蛾的防控实践。
英文摘要:
      In order to investigate the biological control potential of Arma chinensis (Fallou) on Spodoptera frugiperda (J.E.Smith), the ability of adults to prey on 3rd, 4th and 5th instar larvae under indoor conditions was studied. The results showed that the maximum daily predation amount of female adults to the 3rd, 4th and 5th instar larvae of the fall armyworm was 59.7, 23.4 and 9.0 individuals, respectively. The instantaneous attack rates were 1.081±0.133, 1.247±0.116, 0.984±0.159, respectively. The handling time was 0.017±0.001, 0.043±0.002, 0.111±0.014 days, respectively. The maximum prey consumed daily of male adults to 3rd, 4th and 5th instar larvae was 58.9, 22.5 and 8.3, respectively. The instantaneous attack rates were 0.964±0.118, 1.248±0.095 and 1.025±0.183, respectively. Handling time was 0.017±0.002, 0.044±0.002 and 0.121±0.015 days, respectively. Adults of A.chinensis can prey on 3rd, 4th, and 5th instar larvae of S.frugiperda. The daily predation amount of A.chinensis adults on the 3rd instar larvae of S.frugiperda was the largest, and they prefer to prey on 4th and 5th instar larvae. The instantaneous attack rates of both male and female adults of A.chinensis against 4th instar larvae of S.frugiperda is the highest. The results indicate that A.chinensis has good control effect on S.frugiperda and can be used for the prevention and control of the moth.
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