Page:The white-pine weevil (IA whitepineweevil290hopk).pdf/7

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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 issued in time to be of service this season, this circular has been prepared to give the information which is of immediate practical importance in regard to one of the most destructive habits of these weevils.

The white-pine weevil is a somewhat elongate, brownish snout beetle, 4 to 5 mm. in length, having the thorax and elytra marked with irregular spots of brown and white scales (fig. 1, a). The winter is passed in the adult stage, evidently in the ground. The beetles come out of their winter quarters and fly early in May, and after feeding for a few days on the bark of the living white-pine terminal shoots deposit their