Injection of dursban spray emulsion at half mile intervals controls mosquitoes and chironomid larvae in large drainage channels.
D004655:Emulsions; D007300:Insect Control; D007306:Insecticides; D007814:Larva / Q000187:drug effects; D009032:Mosquito Control; D010756:Phosphoric Acids; D012498:Sanitary Engineering
D004655:Emulsions; D007306:Insecticides; D010756:Phosphoric Acids