. Economic entomology for the 324 A A' ECONOMIC ENTOMOLOGY. divergent scales, all of one height, giving somewhat the appear- ance of a little plush cap. In their life habits they vary much. Some are leaf-miners, living between the upper and under sur- faces, and each species eating out characteristic galleries that are visible as irregular brown lines or blotches. Others are case- bearers, making little houses of various shapes and texture, which they carry about with them, and in which they live, pro- jecting the head and anterior segments just far enough to feed. Fig. Apple c
. Economic entomology for the 324 A A' ECONOMIC ENTOMOLOGY. divergent scales, all of one height, giving somewhat the appear- ance of a little plush cap. In their life habits they vary much. Some are leaf-miners, living between the upper and under sur- faces, and each species eating out characteristic galleries that are visible as irregular brown lines or blotches. Others are case- bearers, making little houses of various shapes and texture, which they carry about with them, and in which they live, pro- jecting the head and anterior segments just far enough to feed. Fig. Apple case-bearer, Coleophora yjialivorella.—a, larval cases; b, larva; c, pupa; d, adult moth. but retreating at the first signs of disturbance. A few feed openly, while others are borers in fruits, seeds, or even twigs. Among the best known are the "clothes moths,"—little, yel- lowish creatures often seen flying in houses early in the evening, and which generally arouse excitement and resentment in the breast of the careful housekeeper, for she knows that her woollens and furs are in danger. The caterpillars feed upon animal tex- tiles of all kinds, and upon furs and feathers. They do not often attack vegetable fibre like cotton or linen. Their habit is to form a little flattened case of fibres from the material upon which they are feeding, and this is lined on the inner side with silk. In about three weeks the larva is full fed, changes to a pupa within its case, and the moth, when it emerges, leaves the empty shell protruding for half its length. There are several species engaged. 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 Smith, John B. [from old catalog]. [n. p. ]
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookpublishernp, bookyear1896
