. Defects in timber caused by insects. Wood; Forest insects. 22 BULLETIN 1490, U. S. DEPARTMENT OF AGRICULTURE The defect does not deteriorate furniture and inside-finish stock. This defect is considered under " wormholes, no living worms or decay," and in the interest of conservation and closer utilization, timber with these defects should be Fig. 24.—A, grab holes made by a flat-headed borer (Buprestis arprioans) in the pitchy " fatwood " of the basal log of long-leaf pine; B, the same in a turpentined tree PINHOLE INJURY TO IMPORTED LOGS Large quantities of tropic
. Defects in timber caused by insects. Wood; Forest insects. 22 BULLETIN 1490, U. S. DEPARTMENT OF AGRICULTURE The defect does not deteriorate furniture and inside-finish stock. This defect is considered under " wormholes, no living worms or decay," and in the interest of conservation and closer utilization, timber with these defects should be Fig. 24.—A, grab holes made by a flat-headed borer (Buprestis arprioans) in the pitchy " fatwood " of the basal log of long-leaf pine; B, the same in a turpentined tree PINHOLE INJURY TO IMPORTED LOGS Large quantities of tropical woods in the rough, round, or squared log are yearly shipped into the United States from Central and South America, the West Indies, Africa, and the Philippines. (Figs. 12,13, and 14.) Almost invariably such timber, if received within a year after it is cut, contains mam' species of pinhole-boring beetles, but these never live over the winter, except perhaps in the Gulf Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Snyder, Thomas Elliott, b. 1885. Washington, D. C. : U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwa, booksubjectwood
