. The control of citrus insects. Citrus; Scale insects. . 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 Quayle, H. J. (Henry Josef), 1876-. Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherberke, bookyear1915