Applied entomology deals with useful and harmful insects as applied to mankind. It provides detailed information on economically important insect orders, including their characteristic features. This text book aims to provide a general and applied account of Entomology which is written in a simple and eloquent language keeping in view the syllabi of Entomology in B.Sc. Zoology of various Indian Universities. The book will also be useful to those who are preparing for competitive examinations conducted by various central state Government agencies. The book is equally useful to those dealing with Apiculture, Sericulture, pests and pest control.