A Revision of the North American Aphids of the Genus Myzus PDF Download
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Author: Preston Walter Mason Publisher: ISBN: Category : Agriculture Languages : en Pages : 32
Book Description
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.
Author: Preston Walter Mason Publisher: ISBN: Category : Agriculture Languages : en Pages : 32
Book Description
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.
Author: Marie Foote Heisley Publisher: ISBN: Category : Afforestation Languages : en Pages : 980
Book Description
This publication has been prepared primarily for the use of leaders of young people's forestry clubs. Its purpose is to suggest forestry activities suitable for young people and ways and means of carrying on those activities. Some are suitable only for clubs formed by boys and girls, living on farms or in smaller towns; others are more suitable for young people living in the larger cities.
Author: Ole E. Heie Publisher: BRILL ISBN: 9789004098992 Category : Science Languages : en Pages : 260
Book Description
The Macrosiphini of Scandinavia are treated in vol. IV, in the present vol. V and the coming vol. VI, with descriptions and illustrations.
Author: Preston Walter Mason
Author: Preston Walter Mason
Author: Ellen Kay Miller
Author: United States. Department of Agriculture
Author: Marie Foote Heisley
Author: Ellen Kay Miller
Author: U.S. Office of Experiment Stations
Author: 
Author: Herbert E. Wave
Author: Ole E. Heie
Author: