Fruits are of dire need in any food and other feed commodities comprising a beautiful ingredient of life. Any fruit, temperate or tropical, are governed by variety of living and non-living factors during their growth till harvest. One of these vital factors includes insect pest issues leading to loss of qualitative fruits in citrus, mango, apple, ber, peach and many other ones. In order to have a good yield of such fruits on sustained bases, one must know their injury or damage mechanisms with proper life cycle and better control practices know how. This book deals with all such basic aspects of insect pests of fruit management. An entirely research based topic regarding the population dynamics of citrus psylla (a devastating insect pest in citrus grown areas of the world) is also added to pin point the role of climatic aspects in the increase or decrease of these enemies for their management of sound footing.