This book “Insect Physiology’ is oriented to cater the needs of aspirants who build their career in entomology. During the manuscript preparation, attempts have been made to throw a light about insect physiology like the structure, function and physiology of different systems of insects in a concise and comprehensive form and for an easy understanding. This book is also beneficial to those, who are aspirants of higher studies or going to appear in competitive examinations such as ICAR JRF, SRF, PhD and ARS. To complete this book, a number of text books, bulletins and other competitive books have been consulted. I acknowledge my humble indebtness for all those authors from whose works and books, information has been drawn.
