. Elementary entomology. Entomology. 134 ELEMENTARY ENTOMOLOGY that they are rarely seen unless reared from the scales. Among the most common of the armored scales are the oyster-shell bark-louse (so called on account of the resemblance of the brown scale to an oyster. Fig. i88. Peach twigs infested with San Jose scale. (Much enlarged) At left, large mature female and small young scales are clustered in a groove of the twig. At right is shown a large female scale with the scale proper raised, showing the insect beneath. (After Britton) shell), which is common on apple and several shade trees ;

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. Elementary entomology. Entomology. 134 ELEMENTARY ENTOMOLOGY that they are rarely seen unless reared from the scales. Among the most common of the armored scales are the oyster-shell bark-louse (so called on account of the resemblance of the brown scale to an oyster. Fig. i88. Peach twigs infested with San Jose scale. (Much enlarged) At left, large mature female and small young scales are clustered in a groove of the twig. At right is shown a large female scale with the scale proper raised, showing the insect beneath. (After Britton) shell), which is common on apple and several shade trees ; the San Jose scale, possibly the most serious pest of fruit trees; the rose scale, common on roses, raspberries, and blackberry canes; and the various fiat scales found on palms and other greenhouse and house 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882; Metcalf Collection (North Carolina State University). NCRS. Boston, Ginn

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912