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  1. Two common scale-insects of the orchard : the scurfy bark-louse, the oyster-shell bark-louse /
    By: Britton, Wilton Everett,
    Publication info: [New Haven] :Connecticut Agricultural Experiment Station,1903.
    Contributed by: University of Connecticut Libraries (archive.org)
    Subjects: Diseases and pests  Fruit  Lepidosaphes  Scurfy scale  
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