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Analysis of a mosquito life cycle model

Abstract : The gonotrophic cycle of mosquitoes conditions the frequency of mosquito-human contacts. The knowledge of this important phenomenon in the mosquito life cycle is a fundamental element in the epidemiological analysis of a communicable disease such as mosquito-borne diseases. In this work, we analyse a deterministic model of complete life cycle of mosquitoes which takes into account the principal phases of female mosquitoes gonotrophic cycle, and the Sterile Insect technique combined with the use of insecticide as control measures to fight the proliferation of mosquitoes. We compute the corresponding mosquito reproductive number N * and prove the global asymptotic stability of trivial equilibrium. We prove that the model admits two non trivial equilibria whenever N * is greater than other threshold, Nc, which depends of the total number of sterile mosquitoes. Numerical simulations, using mosquito parameters of the it Aedes species, are carried out to illustrate our analytical results and permit to show that the strategy which consists in combining the sterile insect technique with adulticides, when it is well done, effectively combats the proliferation of mosquitoes.
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Submitted on : Tuesday, September 1, 2020 - 7:59:56 PM
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Albert Kouchéré Guidzavaï, Hamadjam Abboubakar, Irepran Damakoa. Analysis of a mosquito life cycle model. CARI 2020 - Colloque Africain sur la Recherche en Informatiques et Mathématiques Apliquées, Oct 2020, Thiès, Senegal. ⟨hal-02927658⟩

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