This book contains a detailed account of fundamental entomology based on Vth Dean’s Committee. This book would have useful to B.Sc. (Ag.)/M.Sc. (Ag.)/Competitive Examination conducted by Indian Council of Agricultural Research ( JRF)/Agricultural Scientist Recruitment Board (ARS/NET)/Indian Agricultural Research Institute (Ph.D. Entrance), State Agricultural Universities (PG, Ph.D.)/Union Public Service Commission/ Other similar competitive examinations. This book is also suitable for those students who take Entomology as a special paper during the Master and Ph.D. Degree Programmes of any University.