. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges;. Entomology; Pests. Splisiiopho) us ochrciis.—Adult, larva, and work in roots of Scirpus. covering with canvas or similar material to prevent the too rapid escape of the fumes which gradually permeate the entire mass of grain, killing everything in it. Closing the series we have the bark-beetles, or Scolytids, some of them called shot-hole borers from the little round holes with blackened edges which they make in wood and bark. Many species make prettily-figured burrows b


. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges;. Entomology; Pests. Splisiiopho) us ochrciis.—Adult, larva, and work in roots of Scirpus. covering with canvas or similar material to prevent the too rapid escape of the fumes which gradually permeate the entire mass of grain, killing everything in it. Closing the series we have the bark-beetles, or Scolytids, some of them called shot-hole borers from the little round holes with blackened edges which they make in wood and bark. Many species make prettily-figured burrows between the bark and sap- wood, while others bore into the solid wood, making longer or shorter galleries. of the species attack forest-trees, and for them reference should be had to Dr. Packard's work already 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 Smith, John Bernhard, 1858-1912; Metcalf Collection (North Carolina State University). NCRS. Philadelphia and London : J. B. Lippincott co.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1