1 Evaluating the impact of declining tsetse fly (Glossina pallidipes) habitat in the Zambezi Valley of Zimbabwe Farai Matawa a, b * , Amon Murwira a , Peter M. Atkinson c, d, e, f a Department of Geography and Environmental Science, University of Zimbabwe, P.O. Box MP167, Mount Pleasant, Harare, Zimbabwe b Geo-information and Remote Sensing Institute, Scientific and Industrial Research and Development, 1574 Alpes Road, Hatcliffe, Harare, Zimbabwe c Faculty of Science and Technology, Lancaster University, Lancaster, LA1 4YR, UK d School of Built and Natural Environment, Queen's University Belfast, Belfast, BT7 1NN Northern Ireland, UK e Geography and Environmental Science, University of Southampton, Highfield, Southampton, SO17 1BJ, UK f Institute of Geographic Science and Natural Resources Research, Chinese Academy of Sciences, 11A Datun Road, Beijing 100101, China