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Sexual performance of male mosquito Aedes albopictus

Authors

  • S. BOYER,

    Corresponding author
    1. MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Institut de Recherche pour le Développement (IRD) 224, Centre National de la Recherche Scientifique (CNRS) 5290, Université Montpellier 1, Montpellier, France
    2. Centre de Recherche et de Veille sur les Maladies Emergentes dans l’Océan Indien (CRVOI), Sainte Clotilde, Reunion Island
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  • J. GILLES,

    1. Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Vienna, Austria
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  • D. MERANCIENNE,

    1. MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Institut de Recherche pour le Développement (IRD) 224, Centre National de la Recherche Scientifique (CNRS) 5290, Université Montpellier 1, Montpellier, France
    2. Centre de Recherche et de Veille sur les Maladies Emergentes dans l’Océan Indien (CRVOI), Sainte Clotilde, Reunion Island
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  • G. LEMPERIERE,

    1. MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Institut de Recherche pour le Développement (IRD) 224, Centre National de la Recherche Scientifique (CNRS) 5290, Université Montpellier 1, Montpellier, France
    2. Centre de Recherche et de Veille sur les Maladies Emergentes dans l’Océan Indien (CRVOI), Sainte Clotilde, Reunion Island
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  • D. FONTENILLE

    1. MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Institut de Recherche pour le Développement (IRD) 224, Centre National de la Recherche Scientifique (CNRS) 5290, Université Montpellier 1, Montpellier, France
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Sebastien Boyer, MIVEGEC, IRD, BP 64501, 34394 Montpellier Cedex 5, France. Tel.: +33 4 67 41 62 94; Fax: +33 4 67 41 63 30; E-mail: sebastien.boyer@ird.fr

Abstract

Issues of male fertility must be addressed to support the development of a sterile insect technique (SIT) programme for the control of Aedes albopictus Skuse (Diptera: Culicidae) populations on Reunion Island in the Indian Ocean. The mating ability of a local strain of Ae. albopictus was tested using several batches of females and different cage sizes under laboratory conditions. Individual males were able to inseminate up to 14 females at an average of 9.5 females per male when exposed to 20 females over 7 days. Males filled between three and 27 spermathecal capsules at an average of 15.5 capsules per male. The average number of females inseminated per male was 5.3 when two virgin females were introduced to one male and replaced every day for 12 days, and 8.6 when 10 virgin females were introduced to one male and replaced every day for 14 days. A continuous decrease in the number of both inseminated females and filled spermathecal capsules was observed over time, until no mating occurred after 14 days. The high number of females inseminated by one male and the duration of male activity may have strong implications for SIT control of mosquitoes.

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