. An annotated list of the important North American forest insects. Forest insects. Fig. 12.—Mature soldiors («) and mature (h) of the eastern subterranean termite Reticiiliterrncs fiavipas. Sligbtly more than six times natural size simply inserting a sheet of noncorroding metal to serve as a mechanical bar- rier or " termite shield " into the masonry and turning the projecting edges downward at an angle, communication of termites with the earth, where they obtain mois- ture, can be cut off. In less pretentious frame build- ings, metal caps are placed over the tops of constr
. An annotated list of the important North American forest insects. Forest insects. Fig. 12.—Mature soldiors («) and mature (h) of the eastern subterranean termite Reticiiliterrncs fiavipas. Sligbtly more than six times natural size simply inserting a sheet of noncorroding metal to serve as a mechanical bar- rier or " termite shield " into the masonry and turning the projecting edges downward at an angle, communication of termites with the earth, where they obtain mois- ture, can be cut off. In less pretentious frame build- ings, metal caps are placed over the tops of construc- tion stone piling or pil- lars, or wooden supports. This is a similar method to that used in rat-proof- ing corn cribs. It is effec- tive and practicable where untreated timber is placed over masonry Fig. 13.—Impressed pellets of excrement of non- subterranean termites (Kalotermes sp.), which drop from infested wood. Greatly enlarged. 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 Carolina State University) NCRS. [Washington, D. C. : s. n.
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Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1900, bookdecade1900
