This book contains 22 chapters on various aspects of freshwater nematode ecology and taxonomy. Subjects covered include the techniques for processing freshwater

In the present new classification, the section Callianassida comprises two superfamilies, Axioidea and Callianassoidea, 19 families including one new family and

Mites are among the most important arthropods in greenhouses, both as pests causing economic injury to greenhouse crops, and as natural enemies used in the biol