Brief information on pine leaf scale and its control
By: A. D. Hopkins
Contributors: United States. Bureau of Entomology; United States. Bureau of Entomology and Plant Quarantine
Series: Forest entomology brief -- 12; Forest entomology brief -- 12.
Publisher: U.S. Department of Agriculture, Bureau of Entomology
Published: 1916
Place of publication: Washington, D.C
Language: eng
Subjects: Black pine leaf scale; Scale insects; Control
Other titles: Pine leaf scale and its control
Notes: "April 18, 1916."

"E-44"