Acnowledgements

It is a pleasure to thank the many people who assisted this project and especially Mr B. Hursey, former Director of Tsetse Control Branch, Dr G. Vale and Mr V. Chadenga, his successors, and Mr W. Shereni, Chief Glossinologist. Their consistent support was matched by that of the late Mr M. Watson and Mr A. Tainsh, Senior Natural Resources Advisers of the Overseas Development Administration.

Fieldwork depended heavily upon others and notably Dr H.P.Q. Crick, Mr F. Cotterell, Mr J. Diza, Mrs B. Douthwaite, Miss M.R. Douthwaite, Mr A. Gusha, Mr K. Hustler, Mr Z. Kapfumo, Mr P. Karasa, Mr L. Kubanga, Mr H. Mafara, Mr K. Mujinga, Mr. W. Muzamba, Mr H. Ncube, Miss A. Popovich, Mr M. Sibanda, Mr T. Sithole, Miss C. Smith, Miss C. Towner, Miss S. Wales-Smith, Mrs E. Wood and the Zimbabwe Falconers' Club.

Thanks are also due to Mr R. Allsopp, Dr G. Armstrong, Miss E. Barnett, Mr J. Barrett, Dr R. Beales, Dr B. Blake, Mr B. Bolton, Dr R. Booth, Dr D.G. Broadley, Dr R. Cheke, Dr S. Chimbuya, Miss A. Cobb, Dr A. Coneybeare, Mr J. Cox, Dr M. Cox, Dr C. Craig, Dr B.R. Critchley, Dr J.M. Dangerfield, Dr R. Davies, Mr M. Day, Mr J. Deeming, Dr R.H. Disney, Miss J. Ellis, Prof. M.B. Fenton, Mr C. Gay, Dr D. Gibson, Dr K. Harris, Dr C. Hodgson, Dr R. Jocque, Mr A. Kumirai, Miss S. Lauer, Mrs J. Laurence, Mr D. F. Lovemore, Prof. J.P. Loveridge, Mr D. MacFarlane, Dr D.S. Madge, Dr R. Madge, Dr J. Magor, Dr R. Martin, Mr A. Masterson, Mr P. Matthiessen, Dr S. Mazur, Dr J. Minshull, Mr B. Muchenje, Dr P. Mundy, Mr J. Murphy, Dr J. Noyse, Mr J. Perfect, Dr R.J. Phelps, Prof. P.A. Racey, Mr F. Robinson, Dr A. Russell-Smith, Mr A. Serle, Mr B. Schoeman, Dr S. Taiti, Dr J. Tarbit, Dr R. Taylor, Dr S.R. Telford, Mr L. Toet, Dr B. Turner, Dr J.A. Wallwork, Dr I. White and Mr T. Wijers who helped in a variety of ways and, finally, to Mrs K. Whitwell and Mr P. Birkett, for editing and presenting our disparate reports as a coherent whole.

The Natural Resources Institute (NRI) is an internationally recognized centre of expertise on the natural resources sector in developing countries. It forms an integral part of the British Government's overseas aid programme. Its principal aim is to alleviate poverty and hardship in developing countries by increasing the productivity of their renewable natural resources. NRI's main fields of expertise are resource assessment and farming systems, integrated pest management, food science and crop utilization.

NRI carries out research and surveys; develops pilot-scale plant, machinery and processes; identifies, prepares, manages and executes projects; provides advice and training; and publishes scientific and development material.

Short extracts of material from this publication may be reproduced in any non advertising, non-profit-making context, provided that the source is acknowledged as follows:

Douthwaite, R J and Tingle, C C D (eds) (1994) DDT in the Tropics: the Impact on Wildlife in Zimbabwe of Ground-spraying for Tsetse Fly Control. Chatham, UK: Natural Resources Institute

Permission for commercial reproduction should, however, be sought from the Head, Publishing and Publicity Section, Natural Resources Institute, Central Avenue, Chatham Maritime, Kent ME4 4TB, United Kingdom.

Printed by Hobbs the Printers of Southampton

Price £20.00

No charge is made for single copies of this publication sent to governmental and educational establishments, research institutes and non-profit-making organizations working in countries eligible for British Government aid. Free copies cannot normally be addressed to individuals by name, but only under their official titles. When ordering, please quote PEST.

Natural Resources Institute

ISBN: 0 85954 3641