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Hosted by NEHA

Join us for a webinar series focusing on insecticide resistance with Janet McAllister, Principal Research Entomologist, City of New Orleans Mosquito, Termite and Rodent Control Board.

Part II: The Importance of Understanding Resistance Mechanisms and Management Theories

Webinar | January 16, 12 pm ET

Insecticide resistance occurs when genetic changes in mosquitoes, driven by insecticide exposure, compromise control efforts in the field. Laboratory and field tests play a critical role in determining whether an insecticide or product remains effective. In this webinar, Janet McAllister will discuss resistance mechanisms and their impact on cross- and multi-resistance, highlighting how identifying these mechanisms can inform alternative control strategies. She will also explore the three key theories of resistance management鈥攎oderation, saturation, and multiple methods鈥攖o provide practical approaches for tackling resistance.

This webinar is eligible for 1 CE hour.

Speaker Details

Janet McAllister, Principal Research Entomologist, City of New Orleans Mosquito, Termite and Rodent Control Board

Dr. Janet McAllister is a board-Certified Medical Entomologist. She earned her undergraduate and master鈥檚 degrees from Louisiana State University. Her PhD in Medical Entomology comes from the University of Arkansas. Dr. McAllister retired as a Research Entomologist from the CDC Division of Vector-Borne Diseases in May 2024 after 20 years of public service evaluating the efficacy of mosquito control tools and responding to outbreaks and natural disasters. She is currently the Principal Research Entomologist for the City of New Orleans Mosquito, Termite and Rodent Control Board where she supervises the mosquito control unit. Dr. McAllister鈥檚 research specialties are insecticide resistance and mosquito control evaluation. She is a Past President of the American Mosquito Control Association, Louisiana Mosquito Control Association and West Central Mosquito and Vector Control Association. She is also an AMCA Medal of Honor recipient for outstanding contributions to the science and control of mosquitoes, other vectors and vector-borne diseases.

Part I: Basic Principles of Resistance Development and Detection Before Product Failure

December 12

Mosquitoes are highly effective disease vectors, transmitting illnesses to humans, pets, and livestock. While the most prominent mosquito-borne diseases vary by region, some鈥攍ike malaria and dengue鈥攁re now spreading to new areas, including recent cases in the United States. During outbreaks, insecticides are the primary tool for controlling pathogen transmission, but resistance can make outbreaks harder to manage. In this webinar, Janet McAllister, Principal Research Entomologist for the City of New Orleans Mosquito, Termite, and Rodent Control Board, discussed insecticide resistance, its development, factors that influence it, and methods for detecting resistance before insecticides lose effectiveness.