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Filtering by: Publisher Washington, D. C. : U. S. Department of Agriculture, Bureau of Entomology Subject Pine -- Diseases and pests

The white-pine weevil

Creator:

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

Abstract:

The Bureau of Entomology has been conducting systematic and economic investigations of the weevils infesting the bark of the trunk and terminal shoots of conifers in the United States, the results of which will be published in the regular technical and popular bulletins ; but since these can not be...

Resource Type:

Technical Report

Full Text:

Department of Agriculture, BUREAU OF ENTOMOLOGY, L. 0. HOWARD, Entomologist and Chief of Bureau. THE WHITE
Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Creator:

Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology

Resource Type:

Technical Report

Full Text:

. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY, Washington, D. C., May 28, 1906. SIR: I have the honor to