. An annotated list of the important North American forest insects. Forest insects. POWDER-POST DAMAGE BY LYCTUS BEETLES. 7 EXTENT OF LOSSES AND THOSE UPON WHOM THEY FALL. Powder-post causes a loss which falls alike on the dealer, the manu- facturer or owner, and the consumer of finished products. The pro- ducer of the unseasoned or crude product is not affected, because it is only after the wood is seasoned a year or more that it is attacked and damaged by these insects. Second-growth sapwood of the best. Fig. 3.—Powder-posted hickory pickax liaudk-s, showing exit holes of adult beetles; work
. An annotated list of the important North American forest insects. Forest insects. POWDER-POST DAMAGE BY LYCTUS BEETLES. 7 EXTENT OF LOSSES AND THOSE UPON WHOM THEY FALL. Powder-post causes a loss which falls alike on the dealer, the manu- facturer or owner, and the consumer of finished products. The pro- ducer of the unseasoned or crude product is not affected, because it is only after the wood is seasoned a year or more that it is attacked and damaged by these insects. Second-growth sapwood of the best. Fig. 3.—Powder-posted hickory pickax liaudk-s, showing exit holes of adult beetles; work of Lyctus linearis. (Original.) quality is particularly liable to attack and serious injury, especially when it has been stored or piled in one place for two or three years or more. The loss to seasoned hardwood products ranges from 1 to 50 per cent, sometimes representing thousands of dollars to a single manu- facturer or dealer who neglects to adopt the proper preventive meas- ures. The affected articles are not only reduced in value, but fre- quently are rendered worthless for the purposes for which they are intended. In the aggregate the direct financial loss that has been. 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 Craighead, Frank C. (Frank Cooper), 1890-; Perry, George S; Snyder, Thomas Elliott, b. 1885; Hopkins, A. D. (Andrew Delmar), 1857-1948; MacAloney, Harvey John, 1896-; Graham, Samuel Alexander, 1891-; Peirson, Henry Byron, 1894-; Herrick, Glenn W. (Glenn Washington), 1870-1965; Britton, Wilton Everett, 1868-1939; Tanaka, T; Sanders, J. G; Howard, L. O. (Leland Ossian), 1857-1950; Chittenden, F. H. (Frank Hurlbut), 1858-1929; St. George, R. A. (Raymond Alexander), b. 1894; Beal, J. A; Middleton, William, b. 1893; Burgess, A. F; Busck, August, 1870-1944; Carl A. Schenck Collection (North
Size: 1569px × 1593px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1900, bookdecade1900
