Predatory functional response and fitness parameters of Orius strigicollis Poppius when fed Bemisia tabaci and Trialeurodes vaporariorum as determined by age-stage, two-sex life table
文献类型： 外文期刊
作者： Rehman, Shakeel Ur 1 ; Zhou, Xingmiao 1 ; Ali, Shahzaib 1 ; Rasheed, Muhammad Asim 1 ; Islam, Yasir 1 ; Hafeez, Muh 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Insect Resources Utilizat & Sustainable Pes, Wuhan, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Breeding Base Zhejiang Sustainable, Hangzhou, Peoples R China
3.Huazhong Agr Univ, Key Lab Plant Pathol Hubei Prov, Wuhan, Hubei, Peoples R China
4.Natl Univ Comp & Emerging Sci, Dept Sci & Humanities, Chiniot Faisalabad Campus, Chiniot, Pakistan
关键词： Orius strigicollis (anthocoridae); Functional response; Fitness traits; Predation; Whitefly species; Biological control
期刊名称：PEERJ （ 影响因子：2.984； 五年影响因子：3.369 ）
ISSN： 2167-8359
年卷期： 2020 年 8 卷
页码：
收录情况： SCI
摘要： Background. The polyphagous predatory bug O. strigicollis is an active predator used to control thrips and aphids. The whitefly species Bemisia tabaci and Trialeurodes vaporariorum are voracious pests of different economic agricultural crops and vegetables. Method. In this study, the Holling disc equation and the age-stage, two-sex life table technique were used to investigate the functional response and biological traits of third instar nymphs and adult female O. strigicollis when presented third instar nymphs of both whitefly species as prey. Results. The results showed a type II functional response for each life stage of O. strigicollis when fed each whitefly species. The calculated prey handling time for different O. strigicollis life stages were shorter when fed T. vaporariorum than when fed B. tabaci nymphs. In contrast, the nymphal development of O. strigicollis was significantly shorter when fed B. tabaci than T. vaporariorum nymphs. Additionally, the total pre-oviposition period of adult females was statistically shorter when fed B. tabaci nymphs than T. vaporariorum nymphs. Furthermore, the survival rates and total fecundity of O. strigicollis were higher when fed B. tabaci than T. vaporariorum. There were no significant differences in any population parameters of O. strigicollis when fed either whitefly species. These results show that O. strigicollis could survive and maintain its populations on both species of whitefly and could therefore serve as a biological control agent in integrated pest management (IPM).
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