Crazy ants entered and spread through U.S. South

Crazy ants have entered in a crazy and offensive way into Florida, Texas, Louisiana and Mississippi. These ants are thought to belong to South America.

These ants were recorded in the Caribbean by the end of 19th century as reported by Jeff Keularts, who is an extension associate professor at the University of the Virgin Islands and that is why, they are also named as “Caribbean Crazy Ants.

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Now they are moving to Southeastern parts.

They are also known as Raspberry crazy ants and they have following characteristics:

  • These ants like to live in sheltered spots instead of anthills. They start eating anything, whether plant or animal.
  • They live in a crowd of many (millions) and have uniform size approximately equivalent to 1/8th of an inch. They are reddish brown in color.
  • They forage randomly and crawl erratically and rapidly and that is why gotten their name crazy ants.
  • They are capable of biting, which may result in sharp pain that goes away in a matter of seconds.
  • There is a small circle of hairs located at the tip of abdomen.

Two chemicals are temporarily approved by Texas to control the spread of ants and other areas are also working to control the ants.


Center for Urban and Structural Entomology

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