http://www.invasivespeciesinfo.gov/animals/rifa.shtml http://www.invasivespeciesinfo.gov/animals/rifa.shtml South American fire ants http://www.invasivespeciesinfo.gov/animals/rifa.shtml http://www.invasivespeciesinfo.gov/animals/rifa.shtml www.invasivespeciesinfo.gov USDA - Red Imported Fire Ant Species Profile USDA. 2013 http://www.invasivespeciesinfo.gov/animals/rifa.shtml http://www.invasivespeciesinfo.gov/animals/rifa.shtml http://www.invasivespeciesinfo.gov/animals/rifa.shtml http://www.invasivespeciesinfo.gov/animals/rifa.shtml Invasivespeciesinfo.gov…rifa USDA - Red Imported Fire Ant (En anglais) http://www.invasivespeciesinfo.gov/animals/rifa.shtml