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Modelling mosquito dynamics in forest galleries. Application to Aedes (Stegomyia) africanus Theobald (1910), vector of the Yellow Fever virus in Côte d’Ivoire Volume 4, issue 2, Mars-Avril 2005

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Authors
Institut national de la recherche agronomique (INRA), Unité de biométrie et intelligence artificielle, Centre de recherche de Jouy-en-Josas, 78352 Jouy-en-Josas cedex France, Institut de recherche pour le développement (IRD), Unité de recherche 34 « Maladies virales émergentes et systèmes d’information », Dakar Sénégal

Most mosquitoes that serve as vectors of the Yellow Fever virus in Africa and in South America use as their larval habitats tree-holes that can trap rainwater. The dynamics of these populations are thus highly dependent on climate. To describe this process, we developed two models simultaneously: the first simulates the evolution of the rainwater trapped in the treeholes as a function of the rain patterns, and the second, a five-stage (immature egg, mature egg, larva, nulliparous female, parous female) structured population model, includes the influence of this trapped rainwater. The final model reproduces the fluctuations of a population of Aedes africanus observed over three consecutive years in Côte d’Ivoire and may help to study other species of arbovirus vectors in various bioclimatic zones.