. The dying hickory trees : Cause and remedy . Fig. 4. Injury by the hickory barkbeetle to the twigs, buds, and )>aso of leaves. (Original, i (6) Spraying the tops or branches or the application of any sub- stance as a preventive is not to be recommended. Nothing will save a tree after the main trunk is attacked by large numbers of this beetle or after the bark and foliage begin to die. (7) The injuries to the twigs (fig. 4) by this beetle do not require i reatment. (8) The bark and wood of dying mid dead trees arc almost inva- riably infested with many kinds of bark and wood boring insects

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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1910, bookyear1912