Used primarily as an insecticide in agricultural settings to control pests on crops, o,p'-DDT solution is effective against a wide range of insects including mosquitoes, beetles, and lice. It has been historically applied in vector control programs to combat malaria and typhus by targeting mosquito and louse populations. Due to its persistence in the environment and potential for bioaccumulation, its use is now restricted or banned in many countries. In some regions, limited applications are still permitted for public health purposes under strict regulation. It functions by disrupting the nervous system of insects, leading to paralysis and death.