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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:: INSECT I JURIES TO FOREST PRODUCTS. BY A. D. HOPKINS, In Charge

Some of the principal insect enemies of coniferous forests in the United States

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1902.
Resource Type:: Journal
Full Text:: UNITED STATES. BY A. D. HOPKINS, PH. D., In Charge of Forest Insect Investigations, Division of

Insect enemies of forest reproduction

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1905.
Resource Type:: Journal
Full Text:: INSECT ENEMIES OF FOREST REPRODUCTION. BY A. D. HOPKINS, In

Notable depredations by forest insects

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1907.
Resource Type:: Journal
Full Text:: NOTABLE DEPREDATIONS BY FOREST INSECTS. By A. D. HOPKINS, In

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

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: BULLETIN No. 28—NEW SERIES. U. S. DEPARTMENT OF AGRICULTURE

Powder-post injury to seasoned wood products

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Abstract:: The so-called powder-post injury to seasoned wood has attracted much attention in America, and especially in Europe for centuries, and has been the subject of published articles in many languages. This peculiar injury seems to be on the increase in the United States and numerous requests from a number of...
Resource Type:: Technical Report
Full Text:: OF ENTOMOLOGY, L. 0. HOWARD, Entomologist. POWDER-POST INJURY TO SEASONED WOOD PRODUCTS. By A. D

Pinhole injury to girdled cypress in the South Atlantic and Gulf states

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: Pursuant to certain complaints of serious injury by wood-boring insects to girdled cypress timber in the South Atlantic and Gulf States, the Bureau of Entomology began a series of experiments and investigations with special trees girdled on definite dates in every month of the year, as well as with those...
Resource Type:: Technical Report
Full Text:: INJURY TO GIRDLED CYPRESS IN THE SOUTH ATLANTIC AND GULF STATES. By A. D. HOPKINS, In Charge of Forest

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:: organs of female 11 IV U. S. D. A., B. E. But 58, Part I. F. I. I., June 18, 1906. SOME INSECTS

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: , and old dead trees cover large areas. THE AMOUNT OF DEAD TIMBER. Mr. H. S. Graves a estimated in

ScholarsArchive@OSU

Insect injuries to forest products

Some of the principal insect enemies of coniferous forests in the United States

Insect enemies of forest reproduction

Notable depredations by forest insects

Insect injuries to hardwood forest trees

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

Powder-post injury to seasoned wood products

Pinhole injury to girdled cypress in the South Atlantic and Gulf states

Some insects injurious to forests. pt. I, The locust borer

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

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