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" ... fibrous fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the saw-dust from the holes. The bark around the part... "
Annual Report of the American Institute of the City of New York - Page 424
by American Institute of the City of New York - 1853
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Forest Leaves, Volumes 3-5

1890
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunk and limbs will become disfigured and weakened by large porous tumors, caused by the effort of...
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