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Information for Alabama Residents

Last Updated: October 26, 2009 Related resource areas: Imported Fire Ants

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Phorid fly distribution in Alabama, October 2009
Phorid fly distribution in Alabama, October 2009


Since 1998, the Alabama Fire Ant Management Program has been releasing decapitating flies, natural enemies of imported fire ants. Thus far, four species of decapitating flies have been released in Alabama: Pseudacteon tricuspis, Pseudacteon curvatus, Pseudacteon litoralis and Pseudacteon obtusus. These flies, originally from Brazil and Argentina, were imported by the USDA Agricultural Research Service. Extensive testing in South America and in quarantine facilities at the USDA-ARS, CMAVE lab in Florida has shown that the decapitating flies are not harmful to humans, mammals, or other groups of insects. It is hoped that these organisms will provide a natural, biological control of fire ants.

To see the decapitating flies in action:

For more information on imported fire ants in Alabama please see:


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