Although some effects of various insects will continue to be viewed as undesirable, the idea that insects should, or can, be "managed," this book explores reasons that may be unrealistic. It explores an approach to suppressing insect populations, considers information on the multiple, often compensatory, effects of insects on particular resources or ecosystem services and on the consequences of control tactics on those resources or services. It emphasize critical effects of insects on the sustainability of ecosystem processes and services and recommend changes in our management practices and policies to promote sustainability.