Stressing the key role vectors play spread of virus diseases this volume represents the priorities in practical plant virus research and ways in which their control or management should be sought through an understanding of the practical and environmental aspects of the interactions of viruses with their vectors and their environment. It provides an in-depth understanding of the vectors their biology dispersal movement and migration contemporary canvases of epidemiology and the management of virus diseases keeping in view the globalization of agriculture as also the viruses and their quarantine requirements.