This book covers the known Plecoptera fauna of South America consisting of six families and 47 genera. It presents updated keys to families and genera in English and Spanish and data on each of these, including a species list of each genus. Complete reference data on the Plecoptera of South America is offered as well as data for each genus considering its status, characters, biology and distribution when available. This book is addressed to specialists in systematics, ecology, limnology, entomology and biology in general.