Amdro fire ant killer. Apply when ants are active. Slow acting so it may be passed throughout the colony and is especially effective against the queen ant. Kills the queen and destroys the mound within 2 weeks of application. Also effective against carpenter ants, fleas, spiders, and mores. 2 to 4 ounces cover approximately 5000 square feet. Active ingredient: Hydramethylnon.