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Filtering by: Publisher Washington, D.C. : U. S. Department of Agriculture, Bureau of Entomology Decade 1890-1899

Preliminary report on the insect enemies of forests in the Northwest : an account of the results gained from a reconnaissance trip made in the spring and early summer of 1899

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology

Resource Type:

Technical Report

Full Text:

9 9. LETTER OF TRANSMITTAL. U. S. DEPARTMENT OF AGRICULTURE, DIVISION OF ENTOMOLOGY, Washington
The two-lined chestnut borer

Creator:

Chittenden, F. H. (Frank Hurlbut), 1858-1929 and United States. Division of Entomology

Abstract:

Recent years have witnessed extensive destruction of forest growth, particularly of pine, spruce, and chestnut, in portions of the United States east of the Rocky Mountains. This injury has been very generally attributed to insects, and there is evidence that certain wood and bark-boring species have largely contributed to the...

Resource Type:

Technical Report

Full Text:

/ -S CIRCULAR NO. 24, SECOND SERIES. United States Department of