Pensoft Pub, 2006. — 646 p. — ISBN 9546422592.Mayflies represent a large part of the freshwater benthic biomass and are of central importance for the functioning of aquatic ecosystems. The nymphs of many taxa are sensitive to changes in habitat and water quality and most bioindicator systems include their occurrence. This book contains the currently known reference data on each taxon, considering its status, characters for identification, biology and distribution. This book covers all known 14 families, 103 genera and 466 species of the insect order Ephemeroptera from continental South America. It includes updated keys (in English and Spanish) to separate families, genera and species (when possible). The book is addressed to specialists in systematics, ecologists, limnologists and biologists in general.
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