The fir engraver beetle
Subtitle: a serious enemy of white fir and red fir
By: by G.R. Struble.
Series: Circular / United States Department of Agriculture ;; no. 419; Circular (United States. Dept. of Agriculture) ;; no. 419.
Publisher: U.S. Dept. of Agriculture
Published: 1937
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Fir -- Diseases and pests.; Abies magnifica -- Diseases and pests.; Abies concolor -- Diseases and pests.
Notes: Includes bibliographical references.
Caption title.
Contribution from Bureau of Entomology and Plant Quarantine.