The Australian Pesticides and Veterinary Medicines Authority (APVMA) has confirmed the safety of the chemicals Pyriproxyfen and S-methoprene used in fire ant treatments for mammals, including livestock. These chemicals, used in the National Fire Ant Eradication Program, have low toxicity and are not classified as poisons. They are also used in parasite control products for dogs and cats and in agricultural applications. There have been no reports of poisoning or death in any vertebrate species due to these chemicals.