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The red imported fire ant was imported around the 1930’s and has spread to infest more than 260 million acres of land in nine southeastern states, including all or portions of Florida, Georgia, South Carolina, Tennessee, Alabama, Mississippi, Arkansas, Texas and Oklahoma (Lofgren 1986, Sparks 1995).
In the United States, RIFAs have gradually spread north and west despite intense efforts to stop or eliminate them. As of 2011 in the United States they were found in most of the southern states: Alabama, Arkansas, Arizona, California, Delaware, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, New Mexico, Oklahoma, South ...
Home → Fire ants invade and evolve → Fire ants in the U.S.A. Fire ants in the U.S.A. In the 1970s, scientists discovered a new and more threatening form of S. invicta in Mississippi. Each of these colonies supported multiple queens. The multiple queen form — called polygyne (“poly” = many, “gyne” = female) — poses a greater ...
Fire ants invade and evolve. In the late 1930s, a small but threatening invader arrived in the United States: the Argentine fire ant ( Solenopsis invicta ). Having hitched a ride from its homeland, S. invicta set up outposts in Alabama — nests inhabited by thousands (and sometimes hundreds of thousands) of tiny red workers (all female ...
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May 18, 2024 · Fire ants are a genus of nearly 200 species of ants that occur in tropical regions of the world, such as Central and South America, and in some temperate regions, such as North America. The best-known member of the genus, the red imported fire ant, was accidentally introduced into the United States from South America.
- The Editors of Encyclopaedia Britannica
But those same three groups were found in newly invaded areas, such as Taiwan and Australia, Ross and colleagues report online today in Science, indicating that the ants came from these southern states, not South America. The analysis also revealed that fire ants successfully emigrated from the southern United States at least nine times. They ...
Aug 1, 2014 · Where did fire ants come from, and where are they found now? Resasco: Fire ants are native to South America, where they're found from western Amazonia to northeastern Argentina. Fire ants were accidentally introduced by humans to the southeastern U.S. almost a century ago.
