evaluate the results of management strategies. It is very important to determine how effective your management and control tactics are. This information will determine whether any follw-up treatment is needed and will improve your management strategies for next year. Return to the area after applying a treatment and compare posttreatment pest activity to pretreatment. This is where a pest management logbook will become invaluable. Include your observations about where pests first showed up. what kinds of natural enemies you observed, where and when specific treatments were applied, and what the results were. Sound ipm practicides pay off both economically and environmentally.