Insecticide resistance level of Aedes aegypti L. (Diptera: Culicidae) in northern Mexico

• López-Zerón, Nelson E. ^[4] ; Wilson-García, Claudia Y. ^[1] ; Alvarez-Vazquez, Perpetuo ^[2] ; Rojas-García, Rafael A. ^[3]
  1. [1] Universidad Autónoma Chapingo

     Universidad Autónoma Chapingo

     México

     
  2. [2] Universidad Autónoma Agraria Antonio Narro

     Universidad Autónoma Agraria Antonio Narro

     México

     
  3. [3] Universidad Autónoma de Guerrero

     Universidad Autónoma de Guerrero

     México

     
  4. [4] Centro de Bachillerato Tecnológico Agropecuario No. 178

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• Localización: Agro Productividad, ISSN-e 2594-0252, Vol. 16, Nº. 12 (Suplemento), 2023 (Ejemplar dedicado a: Diciembre), págs. 129-135
• Idioma: inglés
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  • Objective: To determine the response of the larvae of three Ae. aegypti populations from the Mexican North Pacific region to insecticides with different mode of action. Design/Methodology/Approach: Three colonies were obtained placing ovitramps in peridomestic sites in Guadalajara (Jalisco), Culiacan (Sinaloa), and La Paz (Baja California Sur). Based on the methodology proposed by WHO, the bioassays were carried out with F1 larvae in the early fourth instar. Results: The larvae from the three field colonies had high resistance to permethrin and low resistance to deltamethrin; however, they were susceptible to Spinosad and Bacillus thuringiensis var. Israelensis. The Culiacan strain showed a high resistance to the malathion and propoxur insecticides. Study Limitations/Implications: The results provided valuable information about the response of these populations to insecticides, which are useful to establish resistance in the lab. Consequently, further studies should be carried out to complement the information obtained in these field tests. Findings/Conclusions: The data indicated resistance levels to pyrethroid insecticides (mainly permethrin), as well as to organophosphates and carbamates.