|Author:||Yothers, M. A.|
|Title:||Biology and Control of Tree Hoppers Injurious to Fruit Trees in the Pacific Northwest.|
|Publication info:||Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
|Rights/Permissions:||Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.|
Biology and Control of Tree Hoppers Injurious to Fruit Trees in the Pacific Northwest.
Yothers, M. A.
Washington DC: : United States Department of Agriculture, February 1934
Fruit-Diseases and pests-Northwestern States
F821 Pests of Plants (Insects and Other Arthropods)