Abstract: A method includes formulating an insecticide that is miscible with a liquid fuel, adding a selected amount of the insecticide to a liquid fuel, and combusting the liquid fuel and insecticide in an internal combustion engine. An apparatus for distributing an insecticide includes an internal combustion engine further including a combustion chamber for burning a mixture of fuel and insecticide, and an exhaust port for placing the combusted fuel and insecticide into the atmosphere near the internal combustion engine. In another embodiment, an apparatus includes an exhaust system, an insecticide reservoir, and a device for coupling the insecticide reservoir and the exhaust system, the device for coupling the insecticide reservoir including an inlet to the exhaust system.