Abstract
Developing an eco-friendly Integrated Pest Management (IPM) approach is only possible by minimizing the use of insecticides and their effects on non-targets such as natural enemies. Chrysoperla carnea is a potential predator of several economic pests including whiteflies and aphids. C. carnea selected with cyromazine for 15 generations indicated a great increase in resistance to this Insect Growth Regulator (IGR). There was no cross-resistance to chlorpyrifos, cypermethrin and nitenpyram in Cyro-SEL population. Inheritance to cyromazine was autosomal, incompletely dominant, and polygenic. A high realized heritability (h2) value (0.37) confirmed more genetic variability. Synergists piperonyl butoxide (PBO) and S,S,S-tributylphosphorotrithioate (DEF) showed a significant involvement of P-450 monooxygenase and esterase in cyromazine resistance development. These findings are helpful to design a natural enemy-friendly IPM strategy resulting in increased survival and performance of C. carnea controlling economic pests.
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