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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:: the regular technical and popular bulletins ; but since C b FIG. 1.—White-pine weevil (Pissocles

Creator:: McClure, Andrew S.
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: TkER BRAK".N L'MAN ;c;.FH L'tR FA1 LOST JAL'Or S'N cr 3C33 EM GR4?'fl PA:, LLMLTTE) TTtE McCLURE

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:: inermis; Xyleborus obesus and work; c, bark; d, sapwood; e, heartwood. (Original.) unseasoned lumber, and

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: *nyton, D. C.. :Immo?, 2R. 1902. SIR: In the temporary absence of Dr. L. 0. Howard, Chief of the

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: , BUREAU OF ENTOMOLOGY, Washington, D. C., Jfarch, 27, 1906. SIR: I have the honor to transmit herewith

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:: beetles in oak: a, Monarthrum mali and work; b, Platypus compositus and work; c, bark; d, sapwood; e

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: AGRICULTURE, BUREAU OF ENTOMOLOGY, Washington, D. C., November 14, 1905. SIR: I transmit herewith the

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The locust borer and its relation to detrimental and destructive injuries to the black or yellow locust in the eastern United States have been subjects of special investigations by the Bureau of Entomology during the past two years, which have resulted in the determination of practical methods of control.
Resource Type:: Technical Report
Full Text:: young borers (fig. 2, b, c) hatching there- from excavate individual cells in the outer layers of the

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:: .] SOME INSECT ENEMIES OF CONIFEROUS FORESTS. 267 THE PUPA (fig. 23, c) is nearly white, of the same

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:: adults Fm. 1.—A powder-post beetle (Lyctus plan- icallis): a, larva ; b, adult ; c, pupa ; line or

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