International Journal of Entomology Research

International Journal of Entomology Research


ISSN: 2455-4758

Vol. 4, Issue 1 (2019)

Diversity and abundance of mosquitoes in the city of Ouagadougou, Burkina Faso

Author(s): Awa Gnémé, Justine Kaboré, Noellie Winkom Kpoda, Parfait Siéfo Gnoumou, Komandan Mano, Gustave Boureima Kabré
Abstract: Countries in West Africa are subject to emerging mosquito-borne diseases like dengue fever, West Nile virus infection. This could be the result of sanitation issues due to the rapid growth of population in some cities. Since four years, the capital city of Burkina Faso is experiencing dengue epidemic without reliable data. For a better understanding of mosquitoes population dynamic in the city, this study was undertaken in order to provide subsequent information on mosquitoes diversity and density. Three districts were surveyed for mosquitoes sampling according to the level of urbanization to take into consideration the city heterogeneity. In each district, adult mosquitoes and larva were collected in rainy and dry seasons in different habitats to monitor mosquitoes population. Collected mosquitoes were identified and sorted by genus and species. Four (04) genera of mosquitoes identified as Culex (71.9%), Aedes (22.2%), Anopheles (5.7%) and Mansonia (0.2%) were recorded in this study. Out of these four genera, eight (08) mosquitoes species were recorded: Culex quinquefasciatus, Culex decens, Culex cinereus, Aedes aegypti, Anopheles gambiae s.l, Anopheles funestus, Mansonia africana and Mansonia uniformis. The diversity was found to be seasonal dependant with some species being observed at specific time point. Mosquitoes spatial relative abundance show that Culex quinquefasciatus is the most abundant mosquitoes species independently to location. Some species like Anopheles gambiae s.l. and Aedes aegypti were predominant at Yamtenga and Zongo respectively. These data suggest a potential map of the risk of mosquito-borne disease emergence in the city for a better control strategies.
Pages: 26-31  |  273 Views  133 Downloads
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