A short discussion of some scales affecting shade trees and hardy shrubs
By: William Middleton
Contributors: United States. Bureau of Entomology; United States. Bureau of Entomology and Plant Quarantine
Series: Forest entomology brief -- 70; Forest entomology brief -- 70.
Publisher: U.S. Department of Agriculture, Bureau of Entomology
Published: 1934
Place of publication: Washington, D.C
Language: eng
Subjects: Scale insects; Control; Diseases and pests; Euonymus scale; Shade trees
Notes: "May 1, 1934."