Fire Ant Control in Sachse The red imported fire ant is an introduced species from South America which is becoming more and more of a pest in the southern states. It is very aggressive, and can inflict a painful sting to humans and pets. Fire ants live in colonies, making conspicuous mounds in home lawns. Bob Short’s Lawn Envy is a licensed Top Choice applicator. Top Choice is a revolutionary granular product which eliminates fire ants for one full year. Top Choice can only be applied by professionals and is much more effective than conventional methods. Early spring and fall are ideal times to apply Top Choice. See the link below to Top Choice for more information on this outstanding product.