Species abundance and insecticide resistance of Anopheles gambiae in selected areas of Ghana and Burkina Faso

Yawson, A. E., McCall, Philip ORCID: https://orcid.org/0000-0002-0007-3985, Wilson, M. D. and Donnelly, Martin ORCID: https://orcid.org/0000-0001-5218-1497 (2004) 'Species abundance and insecticide resistance of Anopheles gambiae in selected areas of Ghana and Burkina Faso'. Medical and Veterinary Entomology, Vol 18, Issue 4, pp. 372-377.

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Abstract

The Ghanaian National Malaria Control Programme has prioritized insecticide-treated materials as a key strategy for malaria control. We report on a survey of the distribution of the molecular forms of Anopheles gambiae Giles (Diptera: Culicidae) and insecticide resistance (the kdr mutation), carried out by sampling mosquitoes from 11 locations in Ghana and one additional site in Burkina Faso. The molecular M and S forms of An. gambiae were found to occur in sympatry in southern Ghana. The S form predominated throughout its distribution in the coastal savannah, except at one location in the strand and mangrove zone where rice was cultivated. The M form was the only form collected in northern Ghana and was the predominant form (97.5%) in Burkina Faso. No M/S hybrids were detected. The kdr mutation was observed at very high frequencies (98-100%) within the S form but reached a maximum of only 3.38% in the M form in one population at an irrigation scheme in the Ghanaian coastal savannah zone.

Item Type:	Article
Uncontrolled Keywords:	anopheles gambiae introgression kdr mutation malaria pyrethroids selection sympatry ghana polymerase chain-reaction west-africa incipient speciation malaria vector kdr mutation inversion polymorphism pyrethroid resistance gene flow identification complex
Subjects:	QW Microbiology and Immunology > QW 45 Microbial drug resistance. General or not elsewhere classified. QW Microbiology and Immunology > Immune Responses > QW 700 Infection. Mechanisms of infection and resistance. QX Parasitology > Insects. Other Parasites > QX 510 Mosquitoes QX Parasitology > Insects. Other Parasites > QX 515 Anopheles WA Public Health > Preventive Medicine > WA 240 Disinfection. Disinfestation. Pesticides (including diseases caused by) WB Practice of Medicine > Medical Climatology > WB 700 Medical climatology. Geography of disease WB Practice of Medicine > Medical Climatology > WB 710 Diseases of geographic areas WC Communicable Diseases > Tropical and Parasitic Diseases > WC 750 Malaria
Faculty: Department:	Groups (2002 - 2012) > Vector Group
Digital Object Identifer (DOI):	https://doi.org/10.1111/j.0269-283X.2004.00519.x
Depositing User:	Sarah Lewis-Newton
Date Deposited:	09 Jan 2012 16:43
Last Modified:	16 Sep 2019 09:17
URI:	https://archive.lstmed.ac.uk/id/eprint/2202

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