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The cytotaxonomy of Simulium sanctipauli sensu stricto (Diptera: Simuliidae) in Ghana and the Côte d’Ivoire

Published online by Cambridge University Press:  09 March 2007

D.A. Boakye ,
G.K. Fiasorgbor ,
B.K. Bougsere  and
S. Naniogue
D.A. Boakye*
Affiliation:
Institute of Evolutionary and Ecological Sciences, University of Leiden, PO Box 9516, 2300 RA Leiden, The Netherlands: Onchocerciasis Control Programme, World Health Organization, BP 549 Ouagadougou, Burkina Faso
G.K. Fiasorgbor
Affiliation:
Onchocerciasis Control Programme, World Health Organization, BP 549 Ouagadougou, Burkina Faso
B.K. Bougsere
Affiliation:
Onchocerciasis Control Programme, World Health Organization, BP 549 Ouagadougou, Burkina Faso
S. Naniogue
Affiliation:
Onchocerciasis Control Programme, World Health Organization, BP 549 Ouagadougou, Burkina Faso
*
*Fax: 31 715 27 4900 E-mail: yawadjei@juno.com
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Abstract

The status of the different cytological variants of Simuliumsanctipaulisensu stricto Vajime & Dunbar (sensu b8Post, 1986) found in Ghana and Côte d’Ivoire is cytotaxonomically evaluated in view of recent revisions of the S. sanctipauli subcomplex. Three geographical variants designated as ‘Pra’, ‘Comoé’ and ‘Sassandra’forms of S. sanctipauli are described. The ‘Pra’ form is genetically differentiated from the other two forms by a distinct sex-determining system. The ‘Comoé’ and ‘Sassandra’ forms are considered as the two ends of an interspecific stepped cline with the River Bandama basin as the zone of contact. The possibility that the ‘Comoé’ form populations breeding in southwestern Ghana could serve as reinvading S. sanctipauliinto the Onchocerciasis Control Programme (OCP) area in West Africa is discussed.

Type
Review Article
Information
Bulletin of Entomological Research , Volume 89 , Issue 1 , January 1999 , pp. 25 - 33
Copyright
Copyright © Cambridge University Press 1999

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