Used primarily as an active metabolite of lambda-cyhalothrin, a synthetic pyrethroid insecticide. It plays a key role in pest control by targeting the nervous systems of insects, causing paralysis and death. Commonly applied in agriculture to protect crops such as cotton, corn, and fruits from a broad spectrum of pests including aphids, bollworms, and spider mites. Also utilized in public health programs for vector control, helping reduce populations of mosquitoes that transmit diseases like malaria and dengue. Its high potency allows effective control at low application rates, making it efficient for integrated pest management strategies. Shows strong residual activity on plant surfaces, enhancing its protective effect over time. Not suitable for use in organic farming due to its synthetic origin and environmental persistence.