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Student Competition I

Student Competition I

81 - Permethrin susceptibility in Culicoides biting midges from Florida

Wednesday, March 5, 2025
9:00 AM – 9:10 AM AST
Location: 201
Abstract: The re-emergence of Oropouche virus in the Americas highlights the need to assess insecticide susceptibility in Culicoides biting midges (no-see-ums). We conducted CDC bottle bioassays with 10.75 µg permethrin and field cage trials with ultra-low volume Permanone® 30-30 against no-see-ums in Florida. Permethrin caused 100% mortality in C. furens, C. insignis, and C. stellifer in laboratory and field tests, suggesting that permethrin can be effective in managing populations of no-see-ums of medical importance.