Abstract
Female sexual receptivity was studied in F1 laboratory-reared Glossina pallidipes Austen, 1903 originating from Nguruman in the Rift Valley of Kenya. Females mated as early as 6 days old but reached peak receptivity at 9–13 days old (60–80%). Females did not immediately mate with more than one male. The mean spermathecal value (MS V) was highest between 7 and 14 days of age, and declined thereafter. The duration of copulation was comparatively short (mean = 24 min), and did not vary significantly with age. High female receptivity corresponded with maturity of ovariole A, which reached maximum length at an age of 10 days. These results are discussed in relation to mass rearing of G. pallidipes.
Résumé
La receptivité sexuelle femelle a été étudiée chez des Glossina pallidipes, Austen 1903, élevées en laboraoire, et appartenant à une souche provenant de Nguruman dans le Rift Valley, au Kenya. L’accouplement des femelles a lieu dès le 6 ème jour d’âge, mais le pic de creceptivité femelle est atteint entre 9 et 13 jours d’âge (60 a 80 %). Les femelles ne s’acouplent pas immédiatement avec plusd’un mâle. La valeur spermathécale moyenne est plus élevée entre 7 et 14 jours d’âge et decroît au-delà. La durée de copulation est comparativement courte (moyenne = 24 mn), et ne varie pas significativement avec l’âge. Le maximum de receptivité femelle correspond à la maturite de l’ovariole A, qui atteint une longueur maximale à 10 jours d’âge. Ces résultats sont discutés en rapport avec élevage en masse de G. pallidipes.
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Davies-Cole, J.O.A., Chaudhury, M.F.B. Mating Efficiency in Females of Glossina Pallidipes. Int J Trop Insect Sci 11, 355–361 (1990). https://doi.org/10.1017/S1742758400012777
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DOI: https://doi.org/10.1017/S1742758400012777
Key Words
- Glossina pallidipes
- duration of copulation
- sexual receptivity
- ovarian development
- mean spermathecal value