The fir engraver beetle : a serious enemy of white fir and red fir /
Struble, George R., 1904-
The fir engraver beetle : a serious enemy of white fir and red fir / by G.R. Struble. - Washington, D.C. : U.S. Dept. of Agriculture, 1937. - 16 p., 4 p. of plates : ill., charts ; 23 cm. - Circular / United States Department of Agriculture ; no. 419 . - Circular (United States. Department of Agriculture) ; no. 419. .
Caption title. Contribution from Bureau of Entomology and Plant Quarantine.
Includes bibliographical references.
agr37000048
Fir--Diseases and pests.
Abies magnifica--Diseases and pests.
Abies concolor--Diseases and pests.
SB945.F53 / S7
1 / Ag84C no.419
The fir engraver beetle : a serious enemy of white fir and red fir / by G.R. Struble. - Washington, D.C. : U.S. Dept. of Agriculture, 1937. - 16 p., 4 p. of plates : ill., charts ; 23 cm. - Circular / United States Department of Agriculture ; no. 419 . - Circular (United States. Department of Agriculture) ; no. 419. .
Caption title. Contribution from Bureau of Entomology and Plant Quarantine.
Includes bibliographical references.
agr37000048
Fir--Diseases and pests.
Abies magnifica--Diseases and pests.
Abies concolor--Diseases and pests.
SB945.F53 / S7
1 / Ag84C no.419