Gall Aphids of the Elm is a book written by Edith Marion Patch and published in 1910. The book is a comprehensive study of the gall aphids that infest elm trees. It provides a detailed description of the life cycle, behavior, and morphology of these insects, as well as the galls they form on elm trees. The book also includes illustrations and photographs to aid in identification and understanding of the aphids and their galls. The author's research and observations are based on her extensive fieldwork and laboratory studies. This book is a valuable resource for entomologists, botanists, and anyone interested in the study of insects and trees.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.