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Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: Death of the pine caused by the western pine-destroying barkbeetle 18 Character of the insect and

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:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: northern Arizona. It attacks and kills the western yellow or bull pine (Pinus pon- derosa) and the white

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: of a pine weevil (Pissodes sp.), or the combined attacks of this insect, a root fungus disease, and a

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