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Filtering by: Publisher Washington, D.C. : U. S. Department of Agriculture Subject Wood borers

Insect injuries to forest products

Creator:

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

Abstract:

Reprint from Yearbook of Department of Agriculture for 1904.

Resource Type:

Journal

Full Text:

OF THE DEPARTMENT OF AGRICULTURE. which the broods develop together in the main burrows (figs. 43
Insect injuries to hardwood forest trees

Creator:

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

Abstract:

Reprint from Yearbook of Department of Agriculture for 1903.

Resource Type:

Journal
Black check in western hemlock

Creator:

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

Resource Type:

Technical Report

Full Text:

CIRCULAR NO. 61. United States ,Department of Agriculture, BUREAU