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. Elementary entomology. Entomology. Fig. 185. The oyster- shell scale on poplar twig (Photograph by Weed) Fig. 184. The col- or elongate in outline, and tony maple scale 1 J ^ (Enlarged) mclude our most common ^ ^ , , . , (After Comstock) species. Upon hatching, the young scale insect crawls about for an hour or two and then settles down, inserts its beak in the leaf or bark, and henceforth the females remain in the same place. Soon waxy fila- ments commence to exude from the body, which mat down into a small scale covering the insect. When the skin is molted, it is added to the center or one
. Elementary entomology. Entomology. Fig. 185. The oyster- shell scale on poplar twig (Photograph by Weed) Fig. 184. The col- or elongate in outline, and tony maple scale 1 J ^ (Enlarged) mclude our most common ^ ^ , , . , (After Comstock) species. Upon hatching, the young scale insect crawls about for an hour or two and then settles down, inserts its beak in the leaf or bark, and henceforth the females remain in the same place. Soon waxy fila- ments commence to exude from the body, which mat down into a small scale covering the insect. When the skin is molted, it is added to the center or one end of the scale, which is gradually enlarged and assumes a characteristic shape. With the first molts the. 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