Triatominae Survey (Hemiptera: Reduviidae: Triatominae) in the South-Central Region of the State of Bahia, Brazil Between 2008 and 2013

Vagner José Mendonça Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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Jader de Oliveira Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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Aline Rimoldi Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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Júlio C. R. Ferreira Filho Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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Renato Freitas de Araújo Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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João Aristeu da Rosa Laboratório de Parasitologia Médica e Biologia de Vetores, Área de Patologia, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências Farmacêuticas/UNESP, Campus de Araraquara, Araraquara, Brazil; Instituto de Biologia/UNICAMP, Campinas, Brazil; Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical/USP, São Paulo, Brazil; Laboratório Central/LACEN, Secretaria Estadual de Saúde da Bahia/SESAB, Salvador, Brazil

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Triatomine surveillance in rural areas, artificial ecotypes, and natural ecotopes of the cities of Caturama, Ibipitanga, Macaúbas, and Seabra in the south-central region of the Brazilian state of Bahia was carried out between 2008 and 2013. Natural infection by Trypanosoma cruzi was evaluated in the specimens collected to monitor vectors of Chagas disease. A total of 1,357 specimens were collected, and four species were identified: Triatoma sordida (83%), Triatoma lenti (16.4%), Triatoma pseudomaculata (0.5%), and Panstrongylus geniculatus (0.1%). Triatoma sordida was found in four cities, only 0.7% in intradomiciliary environments. Triatoma lenti was found only in Macaúbas; 8.5% were found in intradomiciliary environments, 88.3% in peridomiciliary environments, and 3.1% in sylvatic environments. Natural infection by T. cruzi was 0.5% for T. sordida and 3.1% T. lenti. All of these cases were found in peridomiciliary environments of Macaúbas. As the results show, triatomines were found in intradomiciliary environments in three cities that were surveyed in the south-central region of the state of Bahia. Thus, an epidemiologic survey should be performed to avoid the risk of transmission to the population.

Author Notes

* Address correspondence to João Aristeu da Rosa, Depto. Ciências Biológicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista, Rodovia Araraquara-Jaú km 1, CEP 14801-902, Araraquara, SP, Brazil. E-mail: joaoaristeu@gmail.com

Financial support: Financial support was provided by the CAPES organization (Ministry of Education, Brazilian Government, Brazil), process no. 23038.005285/2011-12.

Authors' addresses: Vagner José Mendonça, Universidade de Brasília, Área de Pataologia, Brasília, Distrito Federal, Brazil, E-mail: vagjose@hotmail.com. Jader de Oliveira, Júlio C. R. Ferreira Filho, and João Aristeu da Rosa, UNESP, Biological Sciences, Araraquara, São Paulo, Brazil, E-mails: jdr.oliveira@hotmail.com, julio_crff@yahoo.com.br, and rosaja@fcfar.unesp.br. Aline Rimoldi, UNICAMP, Biologia Animal, Araraquara, São Paulo, Brazil, E-mail: linerimoldi@bol.com.br. Renato Freitas de Araújo, SESAB, LACEN, Salvador, Bahia, Brazil, E-mail: birdeagle01@yahoo.com.br.

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