Red Imported Fire Ants in Phoenix, AZ
Solenopsis invicta
Fire ants build aggressive mounds and deliver painful stings. Learn how to identify them and how Antidote Pest Solutions treats colonies.
Notes: From a Phoenix, AZ Exterminator
Appearance
Red imported fire ants are reddish-brown with a darker abdomen, measuring 1/8 to 3/8 inch — with noticeably varied sizes within the same colony. Their mounds are loose, dome-shaped dirt piles with no visible entry hole, often appearing after irrigation or monsoon rain.
Harborage
Fire ants build mounds in open lawns, along sidewalks, near irrigation lines, and in landscaped beds. Colonies can house hundreds of thousands of ants and will aggressively defend their mound the instant it's disturbed.
Are They Dangerous?
Yes. Fire ants swarm in seconds when their mound is disturbed and deliver repeated, painful stings that cause burning, itchy welts — and in sensitive individuals, a serious allergic reaction requiring medical care.
Treatment
Surface treatments often just split a colony into satellite nests. Antidote Pest Solutions uses colony-elimination methods that target the queen, not just visible workers. Talk to one of Antidote Pest's Service Pro's before kids or pets find the mound first.
Prevention Tips
Watch for soft, dome-shaped mounds after rain or irrigation, especially in lawns
Avoid disturbing mounds directly — colonies will attack en masse if the nest is threatened
Keep children and pets away from known mound locations
Treat mounds with an appropriate method rather than DIY methods that can cause colonies to split
Seal cracks in patios, sidewalks, and foundations where satellite colonies can form
Behavioral Notes
Fire ants can link their bodies together to form living rafts, allowing entire colonies to survive floods by floating on the water surface for days at a time.
Each fire ant sting delivers alkaloid venom that causes the sting's telltale white pustule, and a single ant can sting repeatedly since it doesn't lose its stinger like a honeybee.
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