The effect of twelve different groups insecticides on diversity major predators (insects and spiders) during active tillering bootleaf stage rice crop was evaluated in West Bengal. results showed that spinosad, emamectin benzoate, sulfoxaflor pymetrozine were highly safe while buprofezin, imidacloprid, indoxacarb chlorantraniliprole moderately so. like lambdacyhalothrin, fipronil chlorpyriphos ...