This technical book is an important resource for entomologists and biologists studying the Entomophthoralean fungi, a group of parasites that infect insects. Written by Roland Thaxter, a prominent mycologist and entomologist of the 20th century, the book provides detailed descriptions of the various Entomophthoralean species found in the United States, along with beautiful illustrations. This book is a must-read for anyone interested in the biology and ecology of these fascinating organisms.

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