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Evidence of multiple inseminations in the field in Aedes albopictus

Abstract : Studies on the biology and mating behaviour of male mosquitoes are of major importance in a frame of a Sterile Insect Technique which could be used against mosquito vector species. Most particularly, the assumption of possible multiple inseminations in mosquito species must be investigated in order to optimize alternative mosquito control methods (Sterile Insect Techniques with genetically modified mosquitoes, cytoplasmic incompatibility, radiation…). The occurrence of multiple insemination events was investigated after 2 field samplings of Aedes albopictus (Diptera: Culicidae) in La Reunion Island using microsatellite markers. Respectively, 14 and 13 females after the first and the second sampling laid eggs. Seven wild females out of the 27 laying females were found with a progeny involving more than one father. This result is important for the new alternative mosquito control methods and raises the importance of pre- and post-copulatory competition.
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Sebastien Boyer, Céline Toty, Maxime Jacquet, Guy Lempérière, Didier Fontenille. Evidence of multiple inseminations in the field in Aedes albopictus. PLoS ONE, Public Library of Science, 2012, 7 (8), pp.e42040. ⟨10.1371/journal.pone.0042040⟩. ⟨hal-01274602⟩



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