Insecticide-a substance used to control insects, sometimes used in a broader sense to include the control of arthropods other than insects. Ovicide-used against the egg stage of an insect. Inorganic pesticides are compounds of mineral origin and mainly include arsenic, copper, mercury, sulfur or zinc. Chlorinated hydrocarbons are a group of synthetic organic compounds with one or more chlorine atoms. Chlordane, dieldrin, and DDT are examples.
Organophosphates are synthetic compounds containing phosphorous.
Carbamates are synthetic compounds of salts or esters of carbamic acid. Carbaryl and propoxur are examples. Botanicals are pesticides of plant origin. Pyrethrums and rotenone are examples. Synthetic pyrethroids, such as resmethrin, are similar in action to pyrethrum.