Scale insects on shade trees and shrubs and remedies for them
By: A. D. Hopkins
Contributors: United States. Bureau of Entomology; United States. Bureau of Entomology and Plant Quarantine
Edition: Rev. Sept. 24, 1919.
Series: Forest entomology brief -- 8; Forest entomology brief -- 8.
Publisher: U.S. Department of Agriculture, Bureau of Entomology
Published: 1919
Place of publication: Washington, D.C
Language: eng
Subjects: Scale insects; Control; Shade trees; Diseases and pests; Ornamental shrubs
Notes: Previous ed. : "April 3, 1916."

"E-189"