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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:: -PINE WEEVIL.' By A. D. HOPKINS, In Charge of Forest Insect Investigations. The Bureau of Entomology

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: LOCUST BORER. BY A. D. HOPKINS, In Charge of Forest Insect Investigations. ISSUED JUNE 13, 1906

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

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: . PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST. By A. D. HOPKINS, Ph. D., Vice-Director and

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: DIRECTION OF THE ENTOMOLOGIST. BY A. D. HOPKINS, PH. D., In Charge of Forest Insect Investigation

Creator:: Hughes, Megan, Burgett, D. M., and Oregon State University. Extension Service
Abstract:: Published October 1900. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Remember, only a few bees need to pick up an insecticide to damage the whole colony. D% 4 m f« itot

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . ADDITIONAL DATA ON THE LOCUST BORER. BY A. D. HOPKINS, In Charge of Forest Insect Investigations. ISSUED

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: investigations of the trouble, under instructions from Dr. A. D. Hopkins, to determine : (1) The species which

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: ENTOMOLOGIST BY A. D. HOPKINS, PH. D., Vice-Director and Entomologist of the West Virginia Agricultural

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: PURCHASE EXPOSITION, ST. LOUIS, NIO., 1904. PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST BY A. D

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