Take control of fire ants with Amdro fire ant killer for mounds. This dual action formula contains bait to attract fire ants and starts to kill ants immediately. These granules are ideal for mound treatment and are an easy and effective way to control fire ants. with Amdro fire ant killer for mounds, worker ants carry it into the mound as food for the colony. They eat it and feed it to the queen. In about a week, the queen is dead, which destroys the mound. For over 40 years, Amdro has been providing pest control products for ants, spiders, cockroaches, grubs, mosquitoes, carpenter bees and many more. with our tested formulas, you can feel confident your pest problem is handled and get back to your life.