Book on harmful and beneficial insects provides data on the 11 insects and one mite species from the Indian subcontinent. Opening chapter titled “Invasive pests of agricultural importance in India and their management through classical biological control”, discuss about the invasive pests in the Indian subcontinent. An Overview of the Beneficial and Harmful Orthoptera of grasslands and Agroecosytems analyses the grasshoppers, locusts and crickets. The beneficial and harmful aspects of large carpenter bees of the genus Xylocopa and the root mealy bugs of black pepper (Piper nigrum)” are detailed out in the subsequent chapters. Utility of Hunter reduviids in Pest Management for Plantation crops, the insect pests of eight major trees, measures for the control of the nuisance pest Luprops , pest status of Papaya Mealy Bug in Kerala are provided in the subsequent chapters. Chapter titled “Stingless beekeeping in Kerala”, deals with the techniques practiced for capturing of stingless bees. Chapter on “Arecanut Red Mite, Raoiella indica in south India” and “Lesser mealworms (Alphitobius diaperinus) in poultry farms” deals with their infestation and spread in south India.