In this book, it is tried to give practical information related to IPM of crop pests which will be useful to the end users. We mentioned different management practices of different diseases and arthropod pest of important agronomic and horticultural crops in India and these practices can be integrated to develop suitable IPM module suited to the local condition. Chapters on mass production technique of entomopathogenic nematodes and trichogrammatids are also included in this book.