Western corn rootworm (Diabrotica virgifera Le Conte) is a dangerous quarantine pest of corn. To localize and eliminate new foci its invasion on the territory Belarus an assessment was made biological efficiency insecticides from different classes: neonicotinoids – 20.8–95.5 %, pyrethroids 75.2–100 organophosphorus compounds 86.0–100 % combined 85.1–100 %. The developed tactics for application ...