Preliminary report on the insect enemies of forests in the Northwest
Subtitle: an account of the results gained from a reconnaissance trip made in the spring and early summer of 1899
By: prepared by A.D. Hopkins.
Contributors: United States. Division of Entomology.
Series: Bulletin / United States. Dept. of Agriculture. Division of Entomology -- no. 21, new ser.; Bulletin (United States. Division of Entomology) -- new ser. no. 21.
Publisher: U.S. Dept. of Agriculture, Division of Entomology
Published: 1899
Place of publication: Washington, D.C
Language: eng
Number of pages: 27
Subjects: Insect pests -- Northwest, Pacific.; Forest insects -- Northwest, Pacific.; Scolytidae -- Northwest, Pacific.; Buprestidae -- Northwest, Pacific.; Trees -- Diseases and pests -- Northwest, Pacific.
Notes: Also issued online.