. Economic entomology for the farmer and fruit-grower. Beneficial insects. 272 AN ECONOMIC ENTOMOLOG\. Fig. A tubercle from a saddle-back moth, Empretia sthmdea, showing the poisonous spines, very- much enlarged. The short pointed tips break off readily and remain in the 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 and London, J. B. Lippincott company

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbenefic, bookyear1906