Effects of buprofezin and imidacloprid on the functional response of Eretmocerus mundus Mercet

Fariba Sohrabi, Parviz Shishehbor, Moosa Saber and Mohammad Said Mosaddegh
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Fariba Sohrabi: Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University, Ahvaz, Iran
Parviz Shishehbor: Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University, Ahvaz, Iran
Moosa Saber: Department of Plant Protection, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
Mohammad Said Mosaddegh: Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University, Ahvaz, Iran

Plant Protection Science, 2014, vol. 50, issue 3, 145-150

Abstract: Eretmocerus mundus Mercet is one of the key natural enemies of Bemisia tabaci (Gennadius). In this study, the sublethal effects of LC25 of imidacloprid and field-recommended concentration of buprofezin on the functional response of E. mundus to different densities of second instar B. tabaci nymphs were evaluated. The results revealed a type III functional response in the control and imidacloprid treatment. The type III functional response was altered into a type II by buprofezin. Although imidacloprid did not alter the type of functional response of E. mundus compared to the control, it negatively affected the handling time and maximum attack rate of the parasitoid. Therefore, the use of this insecticide should be evaluated carefully in IPM programs.

Keywords: Bemisia tabaci; insecticide; parasitoid; sublethal effects (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:50:y:2014:i:3:id:64-2012-pps

DOI: 10.17221/64/2012-PPS

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