What are Rasberry ants?


Quick Answer

Rasberry crazy ants are tiny, reddish-brown insects known for their crazy, erratic movements. These invasive ants were discovered in Pasadena, Texas, by local exterminator, Tom Rasberry, in 2002, and have since spread to at least 11 counties in the state. They are native to Argentina and southern Brazil.

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Full Answer

Scientists think that because magnetic fields trigger a sense of warmth, the ant is drawn to electrical equipment, with mass accumulations of the species often causing corrosion, overheating and mechanical failures. The pests are just 3.3 mm in length, and they make their homes under rocks and other piles of debris. It was recently discovered that the ant produces its own formic acid, an antidote against the deadly venom of the fire ant.

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