Download or read book A Revision of the North American Aphids of the Genus Myzus written by Preston Walter Mason and published by . This book was released on 1940 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic study of the North American species of the aphid genus Myzus Passerini is presented in this publication. It brings together the known species, listing their hosts and giving their distributions, the locations of their types, and descriptions, drawings, and keys for their separation.