. A manual for the study of insects. Insects. Fig. s'^'—Phytoptus pyri, greatly enlarg-ed. the disease are swellings of the leaf, within which there is a cavity affording a residence for the mites. Figure 53 repre-. Fig. 53.—Diagram of gali of Phytofitus pyri : g, gall; «, «, normal structure of leaf ; o, open- ing of gall ; e, eggs. (After Soraur). sents a section of a leaf through one of these galls. Here the leaf is seen to be greatly thickened at the diseased part. On the lower side there is an opening through which the mite that started the gall entered, and from which young. Please note
. A manual for the study of insects. Insects. Fig. s'^'—Phytoptus pyri, greatly enlarg-ed. the disease are swellings of the leaf, within which there is a cavity affording a residence for the mites. Figure 53 repre-. Fig. 53.—Diagram of gali of Phytofitus pyri : g, gall; «, «, normal structure of leaf ; o, open- ing of gall ; e, eggs. (After Soraur). sents a section of a leaf through one of these galls. Here the leaf is seen to be greatly thickened at the diseased part. On the lower side there is an opening through which the mite that started the gall entered, and from which young. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. joint author. Ithaca, N. Y. , Comstock Pub. Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895
