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Insecticide Resistance Patterns in Mosquitoes of Public Health Importance in North Carolina, 2018-2023.

Mosquito insecticide resistance is a global public health issue that must be monitored and addressed at the local level by rotating insecticides with different modes of action. In our study, insecticide resistance was monitored in Aedes albopictus and Culex pipiens/quinquefasciatus in North Carolina...

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Published in:Journal of Environmental Health Vol. 88; no. 4; pp. 8 - 17
Main Authors: Harrison Dunn, Jeffrey, Richards, Stephanie L., White, Avian, Byrd, Brian D.
Format: research tables/charts Journal Article
Published: National Environmental Health Association Nov2025
Online Access:View this record in EBSCOhost
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      dt: Nov2025
      vid: 88
      iid: 4
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      pub: National Environmental Health Association
      place: Denver, Colorado
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        atl: Insecticide Resistance Patterns in Mosquitoes of Public Health Importance in North Carolina, 2018-2023.
      aug:
        au:
          Harrison Dunn, Jeffrey
          Richards, Stephanie L.
          White, Avian
          Byrd, Brian D.
        affil: Environmental Health Sciences Program, Department of Health Education and Promotion, College of Health and Human Performance, East Carolina University
      sug:
        subj:
          Insecticides Therapeutic Use
          Mosquitoes
          Drug Resistance
          Public Health Trends
          Biological Assay
          Centers for Disease Control and Prevention (U.S.)
          Drug Compounding
          Human
          Funding Source
          North Carolina
          Data Analysis Software
          Descriptive Statistics
          Mosquito-Borne Diseases Prevention and Control
          Sucrose
      ab: Mosquito insecticide resistance is a global public health issue that must be monitored and addressed at the local level by rotating insecticides with different modes of action. In our study, insecticide resistance was monitored in Aedes albopictus and Culex pipiens/quinquefasciatus in North Carolina during 2018-2023 via Centers for Disease Control and Prevention bottle bioassays. Trends in insecticide resistance were compared by region and year for mosquito control-formulated insecticide products containing the following active ingredients: bifenthrin, deltamethrin, etofenprox, permethrin, malathion, naled, and sumithrin/prallethrin. There was a signifi cant difference (p = .003) in insecticide resistance between the two species, with Culex populations having higher insecticide resistance than Aedes. Bottle bioassays that test active ingredients are a starting point for mosquito control programs, and insecticide resistance testing should be conducted at least annually for local mosquito populations. Further assessments of formulated insecticide products should be carried out for mosquito populations showing resistance to active ingredients, which can inform operational decisions.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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