Efficacy of Insecticides against Okra Jassid, Amrasca biguttula biguttula Ishida Acharya Subhadra, Mishra H.P., Dash D. Department of Entomology, O.U.A.T., Bhubaneswar 751 003, India Abstract The efficacy of newer insecticides, viz., acetamiprid, thiomethoxam, imidacloprid, NACLFMOA and abamectin was field evaluated against okra jassids, Amrasca biguttula biguttula. Nitroguanidines viz., acetamiprid (@ 20 g.a.i./ha) and thiomethoxam and imidacloprid (both @ 25 g.a.i./ha) proved most effective in controlling okra jassids, followed by the fermentation metabolites, NACLFMOA and abamectin both @ 20 g.a.i./ha. Out of 10 pesticides evaluated, nitroguanidines, 21 days after application, resulted in 77.2–86..0% reduction of jassid population followed by 66.8–70.9% reduction in treatment with fermentation metabolites. The five newer molecules evaluated were found safer to lady bird beetle. Top Key words Amrasca biguttula biguttula, Control, Insecticides. Top |