CytoKey: Identification Key for the Chagas Disease Vectors of the Largest Brazilian Urban Center (São Paulo State), Based on Cytogenetic Data

Kelly Cristine Borsatto Laboratório de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBILCE/UNESP), São José do Rio Preto, Brazil;

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Yago Visinho dos Reis Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBB/UNESP), Botucatu, Brazil;

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Ariane Cristina Caris Garcia Laboratório de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBILCE/UNESP), São José do Rio Preto, Brazil;

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Paulo Sergio de Sousa Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBB/UNESP), Botucatu, Brazil;

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Maria Tercília Vilela de Azeredo-Oliveira Laboratório de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBILCE/UNESP), São José do Rio Preto, Brazil;

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Kaio Cesar Chaboli Alevi Laboratório de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBILCE/UNESP), São José do Rio Preto, Brazil;
Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBB/UNESP), Botucatu, Brazil;
Laboratório de Parasitologia, Departamento de Ciências Biológicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (FCFAR/UNESP), Araraquara, Brazil

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Chagas disease is caused by the protozoan Trypanosoma cruzi. This disease is distributed in 21 Latin American countries, where it is mostly vector-borne. In Brazil, there are 68 triatomine species. To date, the epidemiological surveys indicate that the state of São Paulo presents 11 species of triatomines, and most of these species have already been collected in a home environment and found to be infected with T. cruzi. Problems in correctly identifying species can lead to incorrect panorama of distribution of Chagas disease vectors. Thus, we developed an identification key for the triatomines of the state of São Paulo, based on cytogenetic data. With the exception of Panstrongylus diasi that does not present cytogenetic data available in the literature, all species were differentiated by cytogenetic characteristics. We emphasize the importance of using this key as a simple and objective tool in the entoepidemiological surveys conducted by the vector control programs.

Author Notes

Address correspondence to Kelly Cristine Borsatto, Laboratório de Biologia Celular, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (IBILCE/UNESP), Rua Cristóvão Colombo 2265, São José do Rio Preto 15054-000, Brazil. E-mail: kellyborsatto@gmail.com

Authors’ addresses: Kelly Cristine Borsatto, Yago Visinho dos Reis, Ariane Cristina Caris Garcia, Maria Tercília Vilela de Azeredo-Oliveira, and Kaio Cesar Chaboli Alevi, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho”, São José do Rio Preto, Brazil, E-mails: kellyborsatto@gmail.com, yagoreis@outlook.com.br, ariane.garcia@outlook.com, tercilia@ibilce.unesp.br, and kaiochaboli@hotmail.com. Paulo Sergio de Sousa, Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, Brazil, E-mail: pssousa@prof.educacao.sp.gov.br.

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