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Issue: Vol. 5768 No. 2: 10 Mar. 2026
Type: Article
Published: 2026-03-10
DOI: 10.11646/zootaxa.5768.2.3
Page range: 216-228
Abstract views: 32
PDF downloaded: 2

Three new records and a dichotomous key for adult domestic Triatominae (Hemiptera: Heteroptera: Reduviidae) species in Oaxaca, Mexico

Centro Nacional de Programas Preventivos y Control de Enfermedades. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Centro Nacional de Programas Preventivos y Control de Enfermedades. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Centro Nacional de Programas Preventivos y Control de Enfermedades. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Centro Nacional de Programas Preventivos y Control de Enfermedades. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Centro Nacional de Programas Preventivos y Control de Enfermedades. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Servicios de Salud de Oaxaca. J.P. García 103; Col. Centro. C.P. 68000; Oaxaca de Juárez; Oaxaca.
Servicios de Salud de Oaxaca. J.P. García 103; Col. Centro. C.P. 68000; Oaxaca de Juárez; Oaxaca.
Servicios de Salud de Oaxaca. J.P. García 103; Col. Centro. C.P. 68000; Oaxaca de Juárez; Oaxaca.
Servicios de Salud de Oaxaca. J.P. García 103; Col. Centro. C.P. 68000; Oaxaca de Juárez; Oaxaca.
Laboratorio Estatal de Salud Pública de Oaxaca. Carretera a Puerto Escondido; Col. Reyes Mantecón; C.P. 71257. Oaxaca de Juárez; Oaxaca; México.
Unidades de Investigación Entomológica y Bioensayos-CENAPRECE. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Unidades de Investigación Entomológica y Bioensayos-CENAPRECE. Benjamín Franklin 132; Col. Escandón; C.P. 11800. Ciudad de México; México.
Hemiptera Chagas disease diversity entomological surveillance taxonomy triatomine

Abstract

This study presents the results of an entomological survey conducted from 2018 to 2022, assessing distribution, species diversity, and infection risk of Triatominae (Hemiptera: Heteroptera: Reduviidae) species in 100 municipalities across Oaxaca. Additionally, we provide an updated dichotomous key for the identification of domestic triatomine species in the region. A total of 2,321 triatomine specimens were collected through active and passive surveillance. Ten species were identified, including three new records for the state: Panstrongylus rufotuberculatus Champion, 1899, Triatoma bassolsae Alejandre-Aguilar, Nogueda-Torres, Cortéz-Jímenez, Jurberg, Galvão & Carcavallo, 1999, and T. sanguisuga LeConte, 1856. Additionally, the presence of T. gerstaeckeri Stål, 1859 was reconfirmed after years of absence. The most frequently collected species were T. mazzotti Usinger, 1941, T. phyllosoma Burmeister, 1835, T. barberi Usinger, 1939, and T. dimidiata Latreille, 1811, primarily found in intradomestic and peridomestic environments. Natural Infection Indices ranged from 56 to 11, with T. phyllosoma, T. gerstaeckeri, T. pallidipennis Stål, 1872, and T. barberi exhibiting the highest values. Triatomine species distribution was primarily influenced by biogeographic provinces. The presence of nymphs indicates the establishment of breeding populations, increasing the risk of parasite transmission.

 

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How to Cite

Davalos-Becerril, E., Correa-Morales, F., González-Acosta, C., Ibarra-López, J., Carapia-Salinas, J., Reyes-García, F., Caballero-Sánchez, U., Ibáñez-Piñón, C., Concha-Suárez, J., García-Trujillo, J.C., García-Dirzo, K. & Moreno-García, M. (2026) Three new records and a dichotomous key for adult domestic Triatominae (Hemiptera: Heteroptera: Reduviidae) species in Oaxaca, Mexico. Zootaxa, 5768 (2), 216–228. https://doi.org/10.11646/zootaxa.5768.2.3