The book “Insect Morphology” is the preface for the students, teachers and researchers of entomology, to know about insect morphology. This book 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 morphology covered in 18 numbers of chapters 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.