(1992) 2002 revised edition. Stackpole Books. Mechanicsburg, PA. Paperback. Ppvi,74. B/w illustrations, bibliography. Slight marks to edges but a fine unread copy.
Notes: Simple step by step key to identifying freshwater insects and crustaceans in various stages of their life-cycles. This book is aimed at volunteers helping in the management and restoration of streams and rivers, and there are sections giving useful information and standard sampling procedures used by the Izaak Walton League of America. This title is a revised version of Monitor's Guide to Aquatic Macroinvertebrates, by Loren Kellogg, Izaak Walton League of America 1992.
