. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. THE INSECT WORLD. offers a large measure of protection, since the adults will not vol- untarily eat through a coat of it, and the larvae cannot do so Fig. Work of the sinuate pear-borer on a Bartlett pear-tree ; about one-fourth natural size. when first they emerge from the ^%^. The whitewash can be. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and


. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. THE INSECT WORLD. offers a large measure of protection, since the adults will not vol- untarily eat through a coat of it, and the larvae cannot do so Fig. Work of the sinuate pear-borer on a Bartlett pear-tree ; about one-fourth natural size. when first they emerge from the ^%^. The whitewash can be. 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. Philadelphia : J. B. Lippincott Co.


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896