In this seminal work, William Harris Ashmead introduces readers to the world of cynipidous galls and gall-wasps. Ashmead provides a comprehensive catalogue of the different types of galls and wasps found in the United States, as well as detailed information on their anatomy and life cycle. This book is a must-read for anyone in the field of entomology, or anyone interested in the fascinating world of insects. This work has been selected by...