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Circadian Flight Activity of Mosquitoes Entering and Leaving Septic Tanks in Central Nigeria

  • E. O. Lyimo (a1) and R. J. Irving-Bell (a1)


The circadian flight activity of mosquitoes breeding in septic tanks in Jos, central Nigeria, was studied using exit and entry traps. The pattern of peak activity in Culex quinquefasciatus, Culex horridus and Culex cinereus leaving septic tanks was the same between males and females. Aedes aegypti left the tanks earlier than any of the Culex species. There was a difference in time and pattern of peak activity between sexes in this species. Also, a significant difference in peak activity between females of different physiological states was noted in Cx. quinquefasciatus.

La qualité du vol des moustiques se reproduisant dans des fosses septiques à Jos au centre du Nigeria a été observée en utilisant des pièges à la sortie et à l'entrée. Les variations des pics des Culex quinquefascialus, Culex horridus et Culex cinereus, quittant les fosses septiques etaient les mêmes chez les mâles et les femelles. Aedes aegypti quittait les fosses un peu plus tôt que les autres espèces Culex. Une différence pendant la periode et les variations des pics fut observée entre les deux sexes de cette espèce. En outre une différence significative de la variation des pics entre les femelles dans des états physiologiques différents fut observée chez l'espèce Cx. quinquefasciatus.



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Circadian Flight Activity of Mosquitoes Entering and Leaving Septic Tanks in Central Nigeria

  • E. O. Lyimo (a1) and R. J. Irving-Bell (a1)


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