TEMEPHOS is a larvacide which effectively controls the vectors of human diseases such as Malaria, Onchocerciasis, Epidemic Typhus Fever, Filariasis, Dracunculiasis, Yellow Fever, Dengue and various other arbovirus diseases. It has low toxicity to fish. It has moderate to low toxicity to birds. It has negligible toxicity to bees in aerial application. No noticeable effects on non-target organisms.