. Bug vs. bug: nature's method of controlling injurious species. Insects; Insects, Injurious and beneficial. BUG VS BUG. THE TRUE PARASITE Ar^lD ENEMY OF THE " B LAC K. S CALE .. 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 Isaac, John; California. State Commission of Horticulture. Sacramento, W. W. Shannon, Supt. State Printing

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906