Trapping Triatominae Bugs Using Mice-Baited Traps along the Peninsula of Baja California, Mexico

Etienne Waleckx Institut de Recherche pour le Développement, UMR INTERTRYP IRD, CIRAD, Université de Montpellier, Montpellier, France;
Laboratorio de Parasitología, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Merida, Mexico;
Asociación Chagas con Ciencia y Conocimiento, A. C. Orizaba, Mexico;

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Juan José Rios Verdugo Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Mexicali, Mexico

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Antoine Amblard-Rambert Institut de Recherche pour le Développement, UMR INTERTRYP IRD, CIRAD, Université de Montpellier, Montpellier, France;
Laboratorio de Parasitología, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Merida, Mexico;

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Gerardo Medina Basulto Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Mexicali, Mexico

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Gilberto López Valencia Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Mexicali, Mexico

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Paulina Haro Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Mexicali, Mexico

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ABSTRACT.

During an exploratory fieldtrip along the peninsula of Baja California, Mexico, we used mice-baited traps in search of Triatominae, the vectors of Chagas disease. A total of 433 traps were set in five localities following a latitude gradient along the peninsula. Triatominae were caught in rocky ecotopes in two localities. The specimens were identified as Paratriatoma hirsuta in the first locality, and Dipetalogaster maxima in the second, in accordance with the reported distributions of these species. The overall trap success was 3.1%, with an average of 1.3 bugs per positive trap. In the site with most bugs collected, trap success was 26.8%. To the best of our knowledge, this is the first time that mice-baited traps have been used in this geographic area to collect Triatominae bugs. This short report confirms the usefulness of this trapping system when standardized protocols are needed.

Author Notes

Financial support: This work received financial support from the Autonomous University of Baja California (Project No. 201/2882) and the French National Research Institute for Sustainable Development through its program “Ecoles de Formation à la Recherche.”

Disclosure: The trapping system was approved by the bioethics committee of the Dr. Hideyo Noguchi Regional Research Center of the Autonomous University of Yucatan (Approval No. CEI-02-2019). The trapping strategy was approved for its specific use in Baja California by the bioethics committee of the Veterinary Sciences Research Institute of the Autonomous University of Baja California (Approval ID 775/2022-1).

Authors’ addresses: Etienne Waleckx, Institut de Recherche pour le Développement, UMR INTERTRYP IRD, CIRAD, Université de Montpellier, Montpellier, France, Laboratorio de Parasitología, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Merida, Mexico, and Asociación Chagas con Ciencia y Conocimiento, A. C. Orizaba, Mexico, E-mail: etienne.waleckx@ird.fr. Juan José Rios Verdugo, Gerardo Medina Basulto, Gilberto López-Valencia, and Paulina Haro, Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Mexicali, Mexico, E-mails: rios.juan27@uabc.edu.mx, gerardom@uabc.edu.mx, gilbertolopez@uabc.edu.mx, and paulina.haro@uabc.edu.mx. Antoine Amblard-Rambert, Institut de Recherche pour le Développement, UMR INTERTRYP IRD, CIRAD, Université de Montpellier, Montpellier, France, and Laboratorio de Parasitología, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Merida, Mexico, E-mail: antoine.amblard-rambert@ird.fr.

Address correspondence to Etienne Waleckx, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, calle 96 s/n x Av. Jacinto Canek y calle 47, Col. Paseo de las Fuentes, CP 97225, Merida, Yucatan, Mexico, E-mail: etienne.waleckx@ird.fr or Paulina Haro, Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Carretera, Mexicali-San Felipe Km 3.5, Laguna Campestre, Mexicali, BC, Mexico, E-mail: paulina.haro@uabc.edu.mx
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