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Identification Key for the Chagas Disease Vectors of Five Brazilian States, Based on Cytogenetic Data

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  • 1 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, São Paulo, Brazil

Chagas disease is a public health problem caused by the protozoan Trypanosoma cruzi that affects about 8 million people worldwide. The main form of transmission of T. cruzi is vectorial, through triatomines feces contaminated with the parasite. All species are considered as potential vectors of T. cruzi. The main identification keys of these vectors are based only on morphological characters. However, there are very similar or even same species (cryptic species) that may lead to wrong classification of the vectors. Therefore, we developed an identification key using cytogenetic data, to aid and help the correct classification of triatomines. From the cytogenetic characters, identification keys were created for the five Brazilian states (Alagoas, Amapá, Ceará, Roraima, and Santa Catarina). These data are important because the correct classification of triatomines helps directly the activity of the vector control programs.

Author Notes

Address correspondence to Kaio Cesar Chaboli Alevi, Instituto de Biociências, Letras e Ciências Exatas, IBILCE/UNESP, Rua Cristóvão Colombo, 2265, Jardim Nazareth, CEP 15054-000, São José do Rio Preto, São Paulo, Brazil. E-mail: kaiochaboli@hotmail.com

Financial support: This work was supported by the Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) (Process number 2013/19764-0) and the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq).

Authors’ addresses: Kelly Cristine Borsatto, Maria Tercília Vilela Azeredo-Oliveira, and 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, São Paulo, Brazil, E-mails: kellyborsatto@gmail.com, tercilia@ibilce.unesp.br, and kaiochaboli@hotmail.com.

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