Forest insects play important roles ecologically and economically. They pollinate plants, decompose dead plant and animal tissue, provide food for vertebrates, regulate pest organisms, and shape entire landscapes. Some are considered pests, while others provide usable products. Introduced species may become invasive, while the survival of others is threatened. Forest Insects in Europe has been written not only with professional entomologists in mind, but also for nature lovers generally. The descriptions of the various roles insects play in forest ecosystems are intended to be easily comprehensible, but still scientific. Forest Insects in Europe is richly illustrated with attractive photos, and contains 580 fascinating colour images of over 300 different insect and spider species.