This booklet provides important steps to improve pest control in greenhouse crops. It gives important information on the background to the problem (a change is needed, insecticide resistance is a big problem, managed change is effective), steps for improving your pest control program (following a management cycle, check and correct weaknesses in your insecticide use, improve farm hygiene, use regular crop monitoring, pay attention to greenhouse design, and consider the role of beneficial insects) and how to get more information on pests and effective chemical use. Information relevant to the management of Western flower thrips (WFT), Tomato spotted wilt virus (TSWV) and other Thrips and Tospoviruses is included in this item.