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Natural swarming behaviour of the molecular M form of Anopheles gambiae

Diabate, A., Baldet, T., Brengues, C., Kengne, P., Dabire, K. R., Simard, F., Chandre, F., Hougard, J. M., Hemingway, J. ORCID:, Ouedraogo, J. B. and Fontenille, D. (2003) 'Natural swarming behaviour of the molecular M form of Anopheles gambiae'. Transactions of the Royal Society of Tropical Medicine and Hygiene, Vol 97, Issue 6, pp. 713-716.

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In Anopheles gambiae, as in most species of mosquitoes, mating is initiated in flight. The males aggregate in aerial swarms and conspecific females individually fly to these swarms where they mate with males. In this study, we investigated the swarming behaviour of A. gambiae and conducted 2 surveys in the rice field area of the Vallee du Kou in Burkina Faso in 1999 and 2002. A high number of anopheline mosquitoes were observed in this area and both molecular M and S forms of A. gambiae were found in sympatry. Swarms formed a few minutes after sunset in different places and no obvious markers were associated with their occurrence. However, swarms occurred close to cow herds generally in open flat areas, 2-3 m above the ground. Overall, 2829 anopheline mosquitoes were collected from 21 swarms composed primarily of males. A few specimens of Culex quinquefasciatus were collected from 3 swarms. Although both molecular M and S forms were found in sympatry in the village, swarms were composed almost exclusively of the molecular M form. This suggests that there are alternative swarming habits for both molecular M and S forms of A. gambiae in nature.

Item Type: Article
Uncontrolled Keywords: Anopheles gambiae; molecular form; mating behaviour; Burkina Faso
Subjects: QX Parasitology > QX 20 Research (General)
QX Parasitology > Insects. Other Parasites > QX 515 Anopheles
Faculty: Department: Groups (2002 - 2012) > Vector Group
Digital Object Identifer (DOI):
Depositing User: Ms Julia Martin
Date Deposited: 25 Jun 2012 15:06
Last Modified: 06 Feb 2018 13:04


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