""Synopsis of American Wasps: Solitary Wasps"" is a scientific book written by Henri de Saussure in 1875. The book is a comprehensive study of solitary wasps found in America. It is divided into two parts, the first part being a general introduction to the study of wasps, while the second part provides a detailed classification of solitary wasps found in America. The book presents a systematic classification of solitary wasps, along with their morphology,...