Abstract
Chagas disease is a real public health problem in Latin America, caused by the flagellate protozoan<br />Trypanosoma cruzi and described by Carlos Chagas in 1909. T. cruzi is transmitted by bloodsucking<br />insects of the subfamily Triatominae which thrive in sylvatic, peridomestic, and domestic habitats,<br />being in the latter two a potential risk to public health because of their role as vectors. We review the<br />distribution of triatomines associated with human habitation and their natural infection with T. cruzi<br />from the states of Aguascalientes, Chiapas, Guerrero, Jalisco, Michoacán, and Oaxaca. Based on<br />samples received in the Laboratory of Entomology of the Institute of Epidemiological Diagnosis and<br />Reference (InDRE-SSA) during the period 2006 to 2010, distribution maps and stratification of potential<br />areas of risk were made. A total of 1910 specimens of seven species of triatomines were identified.<br />Triatoma barberi, Meccus longipennis and M. pallidipennis were the species with the highest rate of<br />infection with T. cruzi; M. pallidipennis and T. dimidiata were the most widely distributed species.
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