They can't be stopped with conventional pesticide. They can disable a huge industrial plant, and they short out electrical equipment. They eat animals as well as plants. Kill 100,000, and a million more ants will follow.
They're the "hairy, crazy ants," and they're overrunning Texas, Mississippi, Florida and Louisiana.
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An Associated Press story quotes exterminator Tom Rasberry as saying that a computer system for controlling pipeline valves in a chemical plant shorted out twice due to the ants, but now he uses "overkill" with pesticides to keep them under control. Says Rasberry:
I did a test site with a product early on and applied the product to a half-acre ... In 30 days I had two inches of dead ants covering the entire half-acre. It looked like the top of the dead ants was just total movement from all the live ants on top of the dead ants.
While I hate shoveling snow, there's a lot to be said for a nice hard killing frost.