Cyfluthrin Adulticide Insecticides provide quick and long lasting residual for up to 90 days. Cyfluthrin Adulticide Insecticides are used to control insects indoors and outdoors. Cyfluthrin has a broad spectrum label including spiders, ants, boxelder bugs, mosquitoes, cockroaches, crickets, fleas, flies, bed bugs, silverfish, ticks, wasps, wood infesting borers and more.