Journal of
Parasitology and Vector Biology

  • Abbreviation: J. Parasitol. Vector Biol.
  • Language: English
  • ISSN: 2141-2510
  • DOI: 10.5897/JPVB
  • Start Year: 2009
  • Published Articles: 202

Full Length Research Paper

Distribution and characterization of anopheline larval habitats in flooded areas of the Dakar suburbs (Senegal)

Seynabou M Diédhiou
  • Seynabou M Diédhiou
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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El hadji A. Niang
  • El hadji A. Niang
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Souleymane Doucoure
  • Souleymane Doucoure
  • Unité de Recherche sur les Maladies Infectieuses et Tropicales Émergentes, UMR198, UM63, CNRS7278, INSERMU1095, Aix-Marseille Université, Campus UCAD-IRD, BP 1386, CP 18524 Dakar, Sénégal.
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Badara Samb
  • Badara Samb
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Abdoulaye Konaté
  • Abdoulaye Konaté
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Sadio Cissokho
  • Sadio Cissokho
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Assane Ndiaye
  • Assane Ndiaye
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Amélé N Wotodjo
  • Amélé N Wotodjo
  • Unité de Recherche sur les Maladies Infectieuses et Tropicales Émergentes, UMR198, UM63, CNRS7278, INSERMU1095, Aix-Marseille Université, Campus UCAD-IRD, BP 1386, CP 18524 Dakar, Sénégal.
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Gilles Chauvancy
  • Gilles Chauvancy
  • Unité de Recherche sur les Maladies Infectieuses et Tropicales Émergentes, UMR198, UM63, CNRS7278, INSERMU1095, Aix-Marseille Université, Campus UCAD-IRD, BP 1386, CP 18524 Dakar, Sénégal.
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Libasse Gadiaga
  • Libasse Gadiaga
  • Programme National de lutte contre le paludisme – Sénégal.
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Ellen Dotson
  • Ellen Dotson
  • CDC /PMI, Atlanta – USA.
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Julie Thwing
  • Julie Thwing
  • CDC /PMI, Atlanta – USA.
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Lassana Konaté
  • Lassana Konaté
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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Cheikh Sokhna
  • Cheikh Sokhna
  • Unité de Recherche sur les Maladies Infectieuses et Tropicales Émergentes, UMR198, UM63, CNRS7278, INSERMU1095, Aix-Marseille Université, Campus UCAD-IRD, BP 1386, CP 18524 Dakar, Sénégal.
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Ousmane Faye
  • Ousmane Faye
  • Université Cheikh Anta Diop de Dakar, Faculté des Sciences et Techniques/ Laboratoire d’Ecologie Vectorielle et Parasitaire, Dakar, Sénégal.
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  •  Received: 24 March 2016
  •  Accepted: 31 May 2016
  •  Published: 31 July 2016

Abstract

Knowledge of mosquito ecology is a prerequisite for efficient implementation of vector control strategies. This one-year study was carried out during the 2013 rainy season and the 2014 dry season throughout the flooded areas of the suburbs of Dakar with the aim to characterize and map anopheline larval habitats. In both seasons, all water bodies that were encountered within the study departments were geo-located and their features (type of water body, size, turbidity and distance to human dwellings) recorded. The presence of anopheline and/or culicine larvae and predators was assessed. A total of 908 and 278 potential larval habitats were visited during the rainy season and the dry season, respectively. A significant positive association was found between the rainy season and the presence of anopheline larval sites, which consisted of ponds, puddles, ravines, drain channels, streams and canals. Anopheline larvae were more likely to be found in clear water bodies located within 10 m to human dwellings. During the dry season, only puddles were likely to host anopheline larvae. Anopheline larval habitats were significantly more frequent in the Department of Rufisque during the rainy season (univariate analysis, P = 0.006) and in the Department of Guediawaye during the dry season (multivariate analysis, P = 0.036). The malaria vector identified was Anopheles arabiensis. Data gathered in this study will guide larval control programmes in urban settings prone to flooding.

Key words: Anopheline, larval habitat, flood, suburb of Dakar, Senegal.

Copyright © 2024 Author(s) retain the copyright of this article.

This article is published under the terms of the Creative Commons Attribution License 4.0

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