General information on scale insects that attack 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 -- 78; Forest entomology brief -- 78.
Publisher: U.S. Department of Agriculture, Bureau of Entomology
Published: 1934
Place of publication: Washington, D.C
Language: eng
Subjects: Scale insects; Control; Shade trees; Diseases and pests
Notes: "May 1, 1934"