Organophosphate Spray Solution (litre)Organophosphate is an insecticide which is very effective for control of mosquito larvae. It is widely used to fight dengue. Affects the central nervous system. In larvae, this results in death before reaching the adult stage. In the developing world where dengue fever is endemic, Organophosphate is widely used in areas of standing water where the Aedes aegypti mosquito breeds in order to reduce the population of this disease-carrying insect