Fire ants are deadly to small dogs! A member on another forum lost her little Maltese when he was attacked by fire ants.
When Fire Ants sting it is rarely only one sting. When Fire Ants attack, they attack in large numbers and when the first ant stings it triggers a reaction that causes all the ants to sting at one time. Unlike bees, ants can sting up to 20 times in succession injecting toxin with each sting. Johnston County Fire Ant Home Page Fire Ant Control Methods for Dogs, Cats, Ferrets, and Rabbits