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United States Department of Agriculture

Agricultural Research Service

Imported Fire Ant Range Studies
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Two studies predicting the potential range of Solenopsis invicta. Estimates are based on a temperature-dependent dynamic model of colony growth.


Detailed United States study using 4,537 National Climatic Data Center weather stations


Potential US range of IFA


Global study using 3,421 National Climatic Data Center weather stations


Potential global range of IFA


Last Modified: 5/10/2006