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Filtering by: Subject Trees -- Diseases and pests -- United States Creator United States. Bureau Of Entomology Decade 1900-1909 Resource Type Technical Report

The Black Hills beetle

Creator:

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

Resource Type:

Technical Report

Full Text:

enemies 18 Insects 18 Birds 18 Diseases of insects 18 Secondary enemies of the trees, and
Some insects injurious to forests. pt. III, Additional data on the locust borer

Creator:

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

Resource Type:

Technical Report

Full Text:

destructive work 35 Natural enemies 35 Insects 35 Disease and sap flow . 36 Methods of control 36
Some insects injurious to forests. pt. I, The locust borer

Creator:

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

Resource Type:

Technical Report

Full Text:

, p. 43. 1905. Felt, E. P.—Insects affecting park and woodland trees. Mem. 8, N. Y. State Mus. Nat
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:

Hoquiam, Aberdeen, Satsop, Copales, Kent, Puyallup, North Bend, South Bend, and Seattle, in the State of
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:

trunk and terminal shoots of conifers in the United States, the results of which will be published in