The Ips engraver beetle
By: R. A. St. George
Contributors: United States. Bureau of Entomology; United States. Bureau of Entomology and Plant Quarantine
Series: Forest entomology brief -- 67; Forest entomology brief -- 67.
Publisher: U.S. Department of Agriculture, Bureau of Entomology
Published: 1929
Place of publication: Washington, D.C
Language: eng
Subjects: Control; Pine engraver; Pine; Diseases and pests
Notes: "July 15, 1929"