Basics of Agricultural Entomology is a comprehensive and systematically structured text that integrates fundamental principles of insect biology with their practical applications in agriculture. Covering a wide range of topics from insect morphology, physiology, ecology, and taxonomy to pest management strategies such as integrated pest management, biological control, and modern biotechnological approaches, the book provides a balanced blend of theoretical knowledge and applied insights. Special emphasis has been placed on economically important insect pests of field, horticultural, and stored crops, along with beneficial insects and their ecological significance. Written in a clear and accessible style, the book is ideally suited for undergraduate and postgraduate students of agriculture, horticulture entomology, and allied sciences. It also serves as a valuable reference for researchers, academicians, extension workers, and professionals involved in crop protection and sustainable agriculture.