. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. c^'^^T-'—K3 308 AN {economic entomology. -^y-^ ^-V^ ^ ^. grown, descend to the ground to pupate ; when the females emerge they crawl up the trunks of the trees, where they are fertiUzed by the mWs, and then continue their journey to the leaves, upon whicff^hey lay their eggs. This habit gives us control of the insects, for if we simply band the tree in such away as to prevent either the female or the young caterpillars from as- cending to the
. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. c^'^^T-'—K3 308 AN {economic entomology. -^y-^ ^-V^ ^ ^. grown, descend to the ground to pupate ; when the females emerge they crawl up the trunks of the trees, where they are fertiUzed by the mWs, and then continue their journey to the leaves, upon whicff^hey lay their eggs. This habit gives us control of the insects, for if we simply band the tree in such away as to prevent either the female or the young caterpillars from as- cending to the branches, it will be protected completely. Unless the female can get upon the leaves, the eggs are laid upon the Fig. Fig. 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
