Dr. Ryoichi Takahashi's seminal work presents a comprehensive guide to the aphid species of Formosa. The book provides detailed descriptions of each species, its life cycle, habitats, and idiosyncrasies. Alongside the descriptions, there are many beautiful, highly detailed illustrations of these fascinating and elusive insects. This volume is essential reading for entomologists, ecologists, and those interested in biodiversity and the natural world. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.