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Arquivos do Instituto Biológico

On-line version ISSN 1808-1657

Abstract

DUARTE, Elves Heleno et al. Aedes (Stegomyia) aegypti (Diptera: Culicidae) in some islands of Cape Verde: types of breeding sites and their relationship with larval presence. Arq. Inst. Biol. [online]. 2013, vol.80, n.3, pp.359-362. ISSN 1808-1657.  https://doi.org/10.1590/S1808-16572013000300015.

Aedes aegypti is a species of wide geographical distribution, and its presence is registered on the islands of Cape Verde. Because its bioecology is being currently studied in several parts of the world, and since the first record of a dengue epidemic has been accomplished in the country, we decided to conduct this survey. The study was carried out between February and March, 2010, when six out of the ten islands of the archipelago were inspected. The factors evaluated during the survey were number, type and location of containers, as well as the presence of larval forms of Ae. aegypti. Results showed the existence of 2.4 containers/inspected houses, registering a total of 118 breeding sites, which are more common among abandoned buildings. The risk condition was significantly different between islands, being higher for Boa Vista. All evaluated islands showed a significant decreasing tendency of breeding sites, except for Fogo island (GLM; p ≤ 0.05). The barrels were the containers most frequently recorded (> 50 L) (42.6%), located both inside and outside the houses. As breeding sites, barrels (> 50 L), tanks (> 200 L) and plastic tanks (> 50 L) were more common (t test; p ≤ 0.05).

Keywords : Aedes aegypti; Cape Verde; insect vectors; larva.

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