. The black scale. Scale insects. ^-m--m^ â '^.;-'-st ^w ⢠â . Fig. 19.âEncyrtus flavus How. 9 x25- European Fruit Lecanium. {Lecanium corni Bouche.) This is what has been called the brown apricot scale in this State and went by the scientific name of Eulecanium armeniacum Craw. Pro- fessor J. G. Sanders1 in a recent study of the Lecanium group places it. c V*i ^r# Fig. 20.âCoccophagus lunulatus How., parasite of soft brown and other scales. under the name given above. This scale does not occur on citrus trees, so far as we have seen, but is frequently associated with the black on prune, apri


. The black scale. Scale insects. ^-m--m^ â '^.;-'-st ^w ⢠â . Fig. 19.âEncyrtus flavus How. 9 x25- European Fruit Lecanium. {Lecanium corni Bouche.) This is what has been called the brown apricot scale in this State and went by the scientific name of Eulecanium armeniacum Craw. Pro- fessor J. G. Sanders1 in a recent study of the Lecanium group places it. c V*i ^r# Fig. 20.âCoccophagus lunulatus How., parasite of soft brown and other scales. under the name given above. This scale does not occur on citrus trees, so far as we have seen, but is frequently associated with the black on prune, apricot and other deciduous trees. Comys fusca is the com- monest parasite and is widely distributed. aJour. Ec. Ent., vol. 2, No. 6. p. 443. 4âbul. 223. 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