For crawling insects outdoors, the Bengal Insecticide Concentrate mixes with water (1 or 2 oz. per 1 gal.) and makes up to 2 gallons of spray solution, which covers 1000 sq. ft. It kills a broad spectrum of insect pests including cockroaches, ants, crickets, carpenter ants, spiders, fleas, ticks, and many other insects. Perfect for treatment of door and window frames, or other areas where insects may gain access to the house.