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Spatial analysis of microevolution in Aedes aegypti in an endemic dengue municipality of state of São Paulo

Grant number: 18/11490-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2018
Effective date (End): October 31, 2019
Field of knowledge:Biological Sciences - Parasitology - Entomology and Malacology of Parasites and Vectors
Principal researcher:Francisco Chiaravalloti Neto
Grantee:Isaque Mendes de Souza Prado
Home Institution: Faculdade de Saúde Pública (FSP). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Currently the Aedes aegypti mosquito is the most important urban vector of dengue, zika, chikungunya in Brazil and other tropical countries. The main measure to prevent these arboviruses remains the control of this vector. To better understand the population and seasonal dynamics of Ae. aegypti, and, consequently, to improve its control measures, we propose here to analyze the morphology of the wings of the populations present in an endemic area of dengue. In this context of medical entomology, the geometric morphometry technique has been used as an efficient, fast and inexpensive tool to analyze the population structuring of the vectors. The study area will be the municipality of São José do Rio Preto/SP, a region considered endemic for dengue and has been presenting several cases of zika since 2015. Despite this, there is still no study on the population dynamics of Ae. aegypti at this location. In addition to characterizing the populations of this vector, it will also be possible to correlate morphology of populations with environmental factors (temperature, precipitation, humidity) throughout the year and with dengue cases occurring in the region.

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