Insect Pathology: An Advanced Treatise, Volume 1 reviews some of the principal developments in insect pathology as well as the major research trends in the field. This book is concerned with non-infectious diseases, microbiota of healthy insects, immunity, physiopathology, predisposition to disease, virus diseases, and rickettsial diseases. Organized into 17 chapters, this volume begins with an overview of the nature and scope of insect pathology as a distinct branch of entomology, as well as the challenges involved in the study of insect diseases and some of the principal applications of insect pathology in agriculture, medicine, and general biology. The next chapters introduce the reader to the physical factors that cause injury/harm to insects; the pathological changes induced in insects by chemicals used as insecticides; and insect nutrition and nutritional diseases. The book discusses other diseases in insects, including genetic diseases, tumors, granuloses, rickettsiae, and rickettsioses. This book is a valuable resource for entomologists.