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Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: enemy of the yellow pine (Pinus ponderosa) in northern California, southern and eastern Oregon

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:: Wilson, H. F. (Harley Frost), 1883-
Abstract:: Published February 1909. 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:: Circular Bulletin No. 1 2. Crop Pest Series No. 2 Oregon

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: had found it in dying pine trees. This proved to be the Black Hills beetle, D. ponderosa, and was the

Creator:: Wilson, H. F. (Harley Frost), 1883- and Oregon Agricultural College. Experiment Station
Abstract:: Published December 1909. 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:: 1000 Circular Bulletin No. 15 Crop Pest Series No. 5 Oregon

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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