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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Characterization of swarming and mating behaviour between Anopheles coluzzii and Anopheles melas in a sympatry area of Benin
Acta Tropica, Volume 132, No. 1, Year 2014
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Description
The swarm structure of two sibling species, Anopheles gambiae coluzzii and Anopheles melas, was characterize to explore the ecological and environmental parameters associated with the formation of swarms and their spatial distribution. Swarms and breeding sites were searched and sampled between January and December 2010, and larval and adult samples were identified by PCR. During the dry season, 456 swarms of An. gambiae s.l. were sampled from 38 swarm sites yielding a total of 23,274 males and 76 females. Of these 38 swarming sites, 18 were composed exclusively of An. gambiae coluzzii and 20 exclusively of An. melas, presenting clear evidence of reproductive swarm segregation. The species makeup of couples sampled from swarms also demonstrated assortative mating. The swarm site localization was close to human dwellings in the case of the An. gambiae coluzzii and on salt production sites for An. melas. At the peak of the rainy season, swarms of An. melas were absent. These findings offer evidence that the ecological speciation of these two sibling species of mosquitoes is associated with spatial swarm segregation and assortative mating, providing strong support for the hypothesis that mate recognition is currently maintaining adaptive differentiation and promoting ecological speciation. Further studies on the swarming and mating systems of An. gambiae, with the prospect of producing a predictive model of swarm distribution, are needed to inform any future efforts to implement strategies based on the use of GMM or SIT. © 2013 International Atomic Energy Agency 2013.
Authors & Co-Authors
Assogba, Benoit Sessinou
Benin, Cotonou
University of Abomey-calavi
Djogbenou, Salako Luc
Benin, Cotonou
University of Abomey-calavi
Saïzonou, Jacques Z.
Benin, Cotonou
University of Abomey-calavi
Diabaté, Abdoulaye
Burkina Faso, Ouagadougou
Centre Muraz
Dabiré, Roch Kounbobr
Burkina Faso, Ouagadougou
Centre Muraz
Moiroux, Nicolas
France, Montpellier
Maladies Infectieuses et Vecteurs : Écologie, Génétique, Évolution et Contrôle
Gilles, Jérémie Rl L.
Austria, Vienna
International Atomic Energy Agency, Vienna
Makoutodé, Michèl
Benin, Cotonou
University of Abomey-calavi
Baldet, Thierry
Benin, Cotonou
Centre de Recherche Entomologique de Cotonou
France, Montpellier
Maladies Infectieuses et Vecteurs : Écologie, Génétique, Évolution et Contrôle
Statistics
Citations: 33
Authors: 9
Affiliations: 5
Identifiers
Doi:
10.1016/j.actatropica.2013.09.006
ISSN:
0001706X
e-ISSN:
18736254
Research Areas
Sexual And Reproductive Health
Study Locations
Benin
Participants Gender
Female