Synopsis of American Wasps: Solitary Wasps (1875) is a book written by Henri de Saussure, a Swiss entomologist and arachnologist who specialized in the study of hymenopterans. The book provides a comprehensive overview of solitary wasps found in North America, including their taxonomy, morphology, behavior, and distribution.The book is divided into two parts. The first part provides a general introduction to the study of solitary wasps, including...