Cypermethrin 25% E.C Cygale 25 Insecticide is used to kill insects. They are used primarily in agriculture to control pests that infest crop. Nearly all insecticides have the potential to significantly alter ecosystems: many are toxic to humans and/or animals; some become concentrated as they spread along the food chain. Insecticides are chemicals that destroy or inhibit specific developmental stages of insects. Cypermethrin 25% E.C Cygale 25 Insecticide is used primarily to control pests that infest cultivated plants or to eliminate disease-carrying insects in specific areas.