Glossines Fauna of North, South and Center Divisions of Ivory Coast

Abstract

In order to organise a sustainable vector intervention activity in Ivory Coast, long term entomological field collections about the vector and region in question is required. Such surveys include: recording species-types and monitoring their apparent densities over time and space in order to map-out the various regions or sites at risk. In Ivory Coast, a preliminary inventory on tsetse flies reported 10 species. However, this study was designed to update on the information on current glossines fauna of Ivory Coast by collecting data along a North-South-Center transect in the recent past. The capture was made using the Vavoua trap whose numbers varied with the sites prospected. All the glossines species recorded were riparian types and their numbers as well as apparent densities varied with the sites prospected: in the North, 709 glossines were recorded and consisted of Glossina tachinoides Westwood, 1850 (n=379) and Glossina palpalis palpalis Robineau-Desvoidy, 1830 (n=329) with Ouangolodougou Division having the highest glossines apparent density (T.A.D= 28.3 g/t/d). In the Center, 150 glossines were collected all G. palpalis palpalis and Toumodi Division recorded the highest apparent density (T.A.D= 1.96 g/t/d). In the South, 190 flies were recorded with Glossina palpalis palpalis as the most abundant type and Azaguié Division had the highest glossines density (T.A.D=3.166 g/t/d). The species of glossines captured in the recent collections already figured in the list of Brunhes and collaborators. However, Ouangolodougou (in the North), Toumodi (in the Center) and Azaguié (in the South) represented sites of highest glossines risk.