The Garlic and Herb yard spray keeps all insects away. Gets rid of mosquitoes, flies, ants, aphids, fleas, ticks, and many other insects. Use with a hose end sprayer about once a month in warmer climates and even less during colder months. The 16oz treats 1.25 acres (makes 2.5 gallons); the 32oz treats 2.5 acres (makes 5 gallons).