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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 96, No. 2, 2001, pp. 141-144
Bioline Code: oc01018
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 96, No. 2, 2001, pp. 141-144

 en Role of Two Triatoma (Hemiptera: Reduviidae: Triatominae) Species in the Transmission of Trypanosoma cruzi (Kinetoplastida: Trypanosomatidae) to Man in the West Coast of Mexico
José Alejandro Martínez-Ibarra; Nina Malena Bárcenas-Ortega; Benjamín Nogueda-Torres; Ricardo Alejandre-Aguilar; Milton Lino Rodríguez; Ezequiel Magallón-Gastélum; Víctor López-Martínez & Jesús Romero-Nápoles

Abstract

From August 1997 to August 1998, 334 specimens of Triatoma longipennis and 62 of T. picturata were collected in four groups of localities placed in the zone from Guadalajara, Jalisco to Tepic, Nayarit, in the West Coast of Mexico. Most T. longipennis were collected outdoors (69.2%) while most T. picturata (58.1%) were collected indoors. All collected specimens were examined for Trypanosoma cruzi infection, which was detected on 98 (29.3%) T. longipennis and 17 (27.4%) T. picturata. This study confirms the role of T. longipennis and T. picturata as some of the main T. cruzi vectors to humans in Mexico. Habitation Infestation Rate with T. longipennis was of 0.09 and with T. picturata was of 0.03 and the predominating ecotopes were pile of blocks, chicken coops, pigsties, wall crawls and beds.

Keywords
Triatoma, Trypanosoma cruzi, West Coast, Mexico

 
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