Atlas of Mexican Triatominae (Reduviidae: Hemiptera) and vector transmission of Chagas disease

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2015-03Author
Ramsey, Janine M.
Peterson, A. Townsend
Carmona-Castro, Oscar
Moo-Llanes, David
Nakazawa, Yoshinori U.
Butrick, Morgan
Tun-Ku, Ezequiel
de la Cruz-Felix, Keynes
Ibarra-Cerdeña, Carlos N.
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Article
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Scholarly/refereed, publisher version
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This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Chagas disease is one of the most important yet neglected parasitic diseases in Mexico and is transmitted by Triatominae. Nineteen of the 31 Mexican triatomine species have been consistently found to invade human houses and all have been found to be naturally infected with Trypanosoma cruzi. The present paper aims to produce a state-of-knowledge atlas of Mexican triatomines and analyse their geographic associations with T. cruzi, human demographics and landscape modification. Ecological niche models (ENMs) were constructed for the 19 species with more than 10 records in North America, as well as for T. cruzi. The 2010 Mexican national census and the 2007 National Forestry Inventory were used to analyse overlap patterns with ENMs. Niche breadth was greatest in species from the semiarid Nearctic Region, whereas species richness was associated with topographic heterogeneity in the Neotropical Region, particularly along the Pacific Coast. Three species, Triatoma longipennis, Triatoma mexicana and Triatoma barberi, overlapped with the greatest numbers of human communities, but these communities had the lowest rural/urban population ratios. Triatomine vectors have urbanised in most regions, demonstrating a high tolerance to human-modified habitats and broadened historical ranges, exposing more than 88% of the Mexican population and leaving few areas in Mexico without the potential for T. cruzi transmission.
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Ramsey, Janine M., A. Townsend Peterson, Oscar Carmona-Castro, David A. Moo-Llanes, Yoshinori Nakazawa, Morgan Butrick, Ezequiel Tun-Ku, Keynes De La Cruz-Félix, and Carlos N. Ibarra-Cerdeña. "Atlas of Mexican Triatominae (Reduviidae: Hemiptera) and Vector Transmission of Chagas Disease." Mem. Inst. Oswaldo Cruz Memórias Do Instituto Oswaldo Cruz 110.3 (2015): 339-52. http://dx.doi.org/10.1590/0074-02760140404
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Except where otherwise noted, this item's license is described as: This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.