Título:	Ecological niche modelling and differentiation between Rhodnius neglectus Lent, 1954 and Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in Brazil
Autor(es):	Batista, Taíza Almeida Gonçalves, Rodrigo Gurgel
Assunto:	Rhodnius neglectus Rhodnius nasutus Distribuição geográfica Nicho (Ecologia) Brasil
Data de publicação:	Dez-2009
Editora:	Instituto Oswaldo Cruz, Ministério da Saúde
Referência:	BATISTA, Taíza Almeida; GURGEL-GONÇALVES, Rodrigo. Ecological niche modelling and differentiation between Rhodnius neglectus Lent, 1954 and Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in Brazil. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 104, n. 8, p. 1165-1170, dez. 2009. DOI: https://doi.org/10.1590/S0074-02762009000800014. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762009000800014&lng=en&nrm=iso. Acesso em: 12 jan. 2021.
Abstract:	Ecological niche modelling was used to predict the potential geographical distribution of Rhodnius nasutus Stål and Rhodnius neglectus Lent, in Brazil and to investigate the niche divergence between these morphologically similar triatomine species. The distribution of R. neglectus covered mainly the cerrado of Central Brazil, but the prediction maps also revealed its occurrence in transitional areas within the caatinga, Pantanal and Amazon biomes. The potential distribution of R. nasutus covered the Northeastern Region of Brazil in the semi-arid caatinga and the Maranhão babaçu forests. Clear ecological niche differences between these species were observed. R. nasutus occurred more in warmer and drier areas than R. neglectus. In the principal component analysis PC1 was correlated with altitude and temperature (mainly temperature in the coldest and driest months) and PC2 with vegetation index and precipitation. The prediction maps support potential areas of co-occurrence for these species in the Maranhão babaçu forests and in caatinga/cerrado transitional areas, mainly in state of Piaui. Entomologists engaged in Chagas disease vector surveillance should be aware that R. neglectus and R. nasutus can occur in the same localities of Northeastern Brazil. Thus, the identification of bugs in these areas should be improved by applying morphometrical and/or molecular methods.
Unidade Acadêmica:	Faculdade de Medicina (FMD)
Licença:	Memórias do Instituto Oswaldo Cruz - All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License (CC BY NC 4.0). Fonte: https://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762009000800014&lng=en&tlng=en. Acesso em: 12 jan. 2021.
DOI:	https://dx.doi.org/10.1590/S0074-02762009000800014
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