. The black scale. Scale insects. Plate II. 1. Different stages of Black Scale. 2. Young Black Scale shortly after settling. ?. Eggs of Rhizobius ventralis under Black Scale. xl7. 4. Hemispherical scale on left and black of same size on right. 5. Inverted Black Scale with 50 eggs of Scutellista. 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-; Rust, E. W. (Everett Winder), 1884-. Ber
. The black scale. Scale insects. Plate II. 1. Different stages of Black Scale. 2. Young Black Scale shortly after settling. ?. Eggs of Rhizobius ventralis under Black Scale. xl7. 4. Hemispherical scale on left and black of same size on right. 5. Inverted Black Scale with 50 eggs of Scutellista. 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-; Rust, E. W. (Everett Winder), 1884-. Berkeley, Cal. : Agricultural Experiment Station
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectscalein, bookyear1911
