This manual is designed by the Massachusetts Cooperative Extension Service as a guide for the control of the most common insects and related pests of vegetable crops grown commercially in Massachusetts. It contains general information on insects and specific descriptions of the major pests, their life cycles, and the damage they cause. The topics included describe: (1) Characteristics and development of insects; (2) Description and biology of major vegetable pests and damage they cause; (3) Pests of specific crops such as beans, cabbage, carrots, corn, lettuce, onions, peas, peppers, potatoes, spinach and tomatoes; (4) Toxicity of pesticides; and (5) The metric system and useful conversion factors for common measurement units. Application rates of active ingredients per acre for various concentrations of emulsifiables, wettables and dusts, and a list of pests in alphabetical order are presented at the end of this publication. (HM)