. The black scale. Scale insects. Plate VI. Larva of Scutellista parasite, Cerchysius sp. x25. Larva of Cerchysius partly changed to pupa. x25. Parasitized larva of Scutellista harboring Cerchysius within. x25. Appearance of parasitized Scutellista larva beneath scale. x25. Normal Scutellista pupa. x20. Parasitized Scutellista pupa or Scutellista larva which succeeded in partly changing to pupa. x20. Exit hole of parasite in old larval skin of Scutellista. Black scale killed by fungus, Isaria. Fungus covering scale and spreading over Please note that these images are extracted from scan


. The black scale. Scale insects. Plate VI. Larva of Scutellista parasite, Cerchysius sp. x25. Larva of Cerchysius partly changed to pupa. x25. Parasitized larva of Scutellista harboring Cerchysius within. x25. Appearance of parasitized Scutellista larva beneath scale. x25. Normal Scutellista pupa. x20. Parasitized Scutellista pupa or Scutellista larva which succeeded in partly changing to pupa. x20. Exit hole of parasite in old larval skin of Scutellista. Black scale killed by fungus, Isaria. Fungus covering scale and spreading over 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscalein, bookyear1911