University of Khartoum

Identification of Anopheles Species of the Funestus Group and their Role in Malaria Transmission in Sudan

Identification of Anopheles Species of the Funestus Group and their Role in Malaria Transmission in Sudan

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Title: Identification of Anopheles Species of the Funestus Group and their Role in Malaria Transmission in Sudan
Author: Makhawi, Abdelrafie M.; Aboud, Mariam A.; El Raba’a, Fathi M.; Osman, Omran F.; Elnaiem, Dia-Edin A.
Abstract: Anopheles mosquitoes of the Funestus group are important vectors of malaria in Africa. Although species of the group were known to occur in Sudan, there are no published reports on their involvement in malaria transmission. This study was carried out to elucidate the role of species of the Funestus group in malaria transmission in eastern Sudan. A total of 540 mosquitoes morphologically identified as members of the Funestus group were collected by Pyrthrum Spray Catch method from the Tabaldia, Batta and El Rugab villages in Gadaref State, Eastern Sudan during November 1999 – November 2000 and in December 2004 and subjected to species-specific PCR typing. This analysis demonstrated the existence of three An. funestus species in Sudan; namely An. rivulorum Leeson (60% of specimens), An. funestus Giles (29%) and An. leesoni (11%). To investigate the role An. funestus in transmission of malaria parasites a group of 92 females of this species were subjected to Plasmodium species-specific ELISA analysis. The only Plasmodium species found in the salivary glands of An. funestus was P. malariae, which showed a total infection rate of 7.6% (7/92). The presence of these three species of the Funestus group in Sudan emphasizes the need to define their spatial and temporal distribution, their behaviour and ecology and their overall role in malaria transmission within Sudan. Results are discussed in relation to the epidemiology of malaria.
URI: http://khartoumspace.uofk.edu/123456789/27826


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