Memórias do Instituto Oswaldo Cruz | |
Distribution and infection of triatomines (Hemiptera: Reduviidae) by Trypanosoma cruzi in the state of Michoacán, Mexico | |
José Alejandro Martínez-ibarra2  Ignacio Valencia-navarro1  Salvador León-saucedo1  Gabriela Ibáñez-cervantes1  Rafael Bustos-saldaña2  Oziel Dante Montañez-valdez2  Óscar Iván Cervantes Díaz2  Benjamín Nogueda-torres1  | |
[1] ,Universidad de Guadalajara Centro Universitario del Sur Jalisco,México | |
关键词: Triatominae; Chagas disease; Michoacán; Mexico; | |
DOI : 10.1590/S0074-02762011000400010 | |
来源: SciELO | |
【 摘 要 】
An entomological study of triatomine species was carried out to assess their prevalence in 10 localities of the state of Michoacán, Mexico. Entomological indices were calculated to estimate the risk for vector-borne transmission of Trypanosoma cruzi to the human population in this area. Four triatomine species (Triatoma barberi, Triatoma dimidiata, Meccus pallidipennis and Meccus longipennis) were collected from the study area. This is the first report of M. longipennis and T. dimidiata in Michoacán. M. pallidipennis was significantly (p < 0.05) more abundant than any of the other species collected in the study area. Infection indices were greater than 50% for each of the four collected triatomine species. Significantly more triatomines were collected from intradomiciliary areas than from peridomiciliary or sylvatic areas. Infestation, crowding and density indices were low, whereas colonisation indices were high in five localities. The current vectorial conditions in the study area require continuous entomological and serological surveillance to diminish the risk of T. cruzi transmission to human populations.
【 授权许可】
CC BY
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