California has a vast number of insect species: estimates run 30,000-35,000 or more, and even in the better known groups, new species occasionally are discovered. This volume is the first attempt in more than half a century to summarize knowledge of this rich insect fauna, and the first work ever to provide a field guide for beginning students, and the nonspecialist reader. It selects about 600 of the more characteristic kinds of insects to represent...