Insect pest control has become the most pressing problem in recent years. The pesticides are considered as an essential inputs for solving the problem in sustainable crop production, but the experiences over the years have shown that their large scale and in discriminated use has resulted into highly unstable agro-ecosystem. This book deals with pesticides, their ill effects such as elimination of non-target organisms including bio-agents, development of resistance, resurgence, pollution and also the undesirable residues on food commodities.
