Journal of Biological Control

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In a greenhouse experiment, the relative safety of thiaruethoxam at 50, 25 and 12 ppm, imidacloprid at 50 ppm, fipronil at 100 ppm, acephate at 1200 ppm along with untreated control was assessed to the aquatic veliid predator, Microvelia douglasi atrolineata Bergroth, which feeds on nymphs of brown planthopper, Nilaparvata lugens (Stal). The results revealed that fipronil 100 ppm was the safest treatment followed hy acephate at 1200 ppm and thiamethoxam at 12 ppm.

Keywords

Insecticides, Microvelia douglasi atrolineata, Nilaparvata lugens, Relative Safety, Rice.
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