Country Vet Farm & Dairy Fly Spray is an excellent quality, highly effective fly control product that delivers quick kill at an economical price. Provides rapid control of residential, industrial, and Barn Pests. Kills and repels: flies, mosquitoes, wasps, gnats, cockroaches, ants, crickets, spiders, silverfish, moths, weevils, beetles, grain mites, bedbugs and fleas.