Synopsis This text book aims at to provide a comprehensive, well illustrated, up to date, general and applied account of Entomology which is written in a simple and lucid language keeping in view the syllabi of M.Sc. Zoology-Entomology and M.Sc. Ag. – Entomology of various Indian Universities. The book will also be useful to those who are preparing for competitive examinations conducted by various central and state government agencies for recruitment. The book is equally useful to those dealing with pests and pest control. It is hoped that the book will be useful not only to students but also to agriculturists, horticulturists, foresters, veterinary doctors and laymen dealing with pest control.