Aphids on the World's Crops: An Identification and Information Guide - Hardcover

A unique guide to the identification of the aphids which attack over 280 of the world's most significant crops. The aphids particular to a given host crop are listed, and a dichotomous key, illustrated with numerous small line diagrams, then leads to positive identification of a species. Systematically describes over 400 aphid species, and includes 150 halftones of mounted species.