This book is a pioneering work in the field of mycology that examines the properties and potential applications of artificial cultures of entomogenous fungi. Pettit's work sheds light on the intricate relationship between fungi and insects, and provides detailed insights into the manipulation of fungal growth for beneficial purposes. With its emphasis on cutting-edge research, this book is an important resource for students, scientists, and researchers in the field of entomology and mycology. 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.