Ethylene glycol, the primary component of automotive antifreeze, is toxic to insects. Pouring it on fire ant mounds may seem like a quick solution, but it’s an ineffective and environmentally harmful method of pest control. While the toxic nature of ethylene glycol might kill some ants on contact, it won’t penetrate deep into the colony, leaving the queen and a significant portion of the population unharmed. Moreover, the liquid can contaminate soil and groundwater, posing a risk to pets, wildlife, and even humans.
Effective fire ant control requires targeting the entire colony, including the queen. This is best achieved through methods such as baiting, which allows worker ants to carry the insecticide back to the nest, or through the application of insecticides specifically designed for fire ant control, following label instructions carefully. Choosing environmentally responsible methods is crucial for minimizing harm to beneficial insects, pollinators, and the surrounding ecosystem. Historically, various ineffective and harmful substances have been used for pest control, highlighting the importance of informed decision-making based on scientific understanding.