The work of entomologists, the people who study insects is extremely diverse due to the high abundance, species richness, and ecological and behavioral characteristics of insects. This book is intended as an introduction to the study of entomology, giving brief explanations and definitions of some chosen topics such as Introduction, Insect Morphology and Physiology, Classification of Insects, Insect Behaviour, Parasitism by Insects, Mites and Ticks, From Solitary to Social, Embryogenesis and Morphogenesis of Insects, Important Orders and Families of Agricultural Pests and Economic Importance of Insects, Predatation by Insects, Defoliating Insects, Sap-Sucking Insects, Gall Formers, and Mites, Bud, Shoot, Branch, and Terminal Insects, Insect Color Pigments, Apiculture and Meliponiculture, Entomophagy, Household Pests. A helpful glossary explains the technical terms of insect anatomy. Finally the book ends with a useful glossary of technical terms. Graduating students, researchers and teachers desirous of updating the information on different aspects of microbial plant pathogens and the diseases caused by them, will find this book to be useful.

Tamoghna Saha, Ph.D. is serving as Assistant Professor-cum-Junior Scientist, Entomology at Bihar Agricultural University (BAU), Sabour, Bihar and having more than four years of experience in teaching (Undergraduate, Post-graduate), research, extension and training. He is the major advisor of one M.Sc. and Co-guided around five students in PG programme. His research currently covers survey and surveillance of key pests and diseases of major crops in Bihar, eco-friendly management of fruit flies and also released two technologies for management of insect pests. Dr. Saha is presently associated with All India Coordinated Research Project on Vegetable Cops where he is catering a very large number of entomological field trials. He received post-graduation in Entomology from University of Agricultural Sciences, Dharwad and acquired doctorate from Bidhan Chandra KrishiViswavidyalaya, Kalyani, Nadia, West Bengal. Dr. Saha has published various research papers, review articles and book chapters in various national and international journals. He is also an active member of editorial board of different national and international journals. Dr. Saha is a Life Fellow of Entomological Society fo India. Dr. Nithya Chandran, Ph.D., working as Scientist (Entomology) at Indian Agricultural Research Institute, New Delhi, India is having more than three years of experience in teaching (post-graduate), research, and extension. Her expertise lies on Insect Biosystematics especially on Coleoptera and Mutillidae. Dr. Nithya received postgraduation in Entomology from University of Agricultural Sciences, Dharwad. During her Ph.D. programme at ICAR-IARI on the studies on subfamily Mutillinae wherein she reviewed and catalogued all the species known from India in subfamily Mutillinae along with synonyms and revisionary details. During her studies she has established several new records from India and numerous new records within the country, has described new species, proposed several new combinations, prepared diagnostic keys for the males and females of some important genera and species. She has published various research papers, review articles and book chapters in various national and international journals.