Análise dos níveis de infestação urbana de Aedes aegypti por meio do uso de ovitrampas na cidade de Itaquiraí, Mato Grosso do Sul

Abstract

Aedes aegypti is a cosmopolitan insect belonging to the Culicidae family, which from the 17th century to the present day has been the main transmitter of dengue. To carry out this work, data from the collection of ovitrap traps (where 8 traps were used per week) carried out in the city of Itaquiraí between 2015 to 2018 were used. The information was organized and the variables analyzed were the total number of eggs and the Ovitrap positivity (IPO), monthly and yearly. As a result: 61,806 Aedes aegypti eggs were collected, the average number of eggs found per trap was 45.96; The annual IPO: 2015 (76.89%), 2016 (34.70%), 2017 (23.50%) and 2018 (23.08%); in 2015 the most positive month was April (92.18%), in 2016 it was February (74.46%), in 2017 it was January (54.24%) and in 2018 it was January (51.83%). Analyzing the results obtained, it is possible to conclude that the period of greatest risk for contracting dengue permeates between the first months of the year (January to April) due to the high index of IPO of Ae. aegypti females. Environmental and climatic factors, as well as control and monitoring measures are fundamental for the reduction of the vector population, in addition, entomological surveillance through ovitrap traps combined with awareness campaigns are fundamental tools to direct prevention actions and vector control.