. A manual for the study of insects. Insects. HEXAPODA. 53 times referred to as the exttvice (ex-uVi-se). Insects differ greatly as to the number of times they molt: many species molt only four or five times, while others are known to molt more than twenty times. Figure 62a represents the cast skin of a Dragon-fly clinging to a reed. TJie Egg,—This is the first stage in the existence of any insect, although in some few instances the ^gg remains in the body of the mother till it hatches. But almost always the eggs are laid by the mother insect on oraiear the food which gives nourishment to the
. A manual for the study of insects. Insects. HEXAPODA. 53 times referred to as the exttvice (ex-uVi-se). Insects differ greatly as to the number of times they molt: many species molt only four or five times, while others are known to molt more than twenty times. Figure 62a represents the cast skin of a Dragon-fly clinging to a reed. TJie Egg,—This is the first stage in the existence of any insect, although in some few instances the ^gg remains in the body of the mother till it hatches. But almost always the eggs are laid by the mother insect on oraiear the food which gives nourishment to the young. Many of the most interesting habits of insects are connected with the care of the eggs by the parent. The eggs may have smooth oval sliells; but often the shells are beautifully ribbed Fig. 63.—Egg: of cotton-worm, greatly enlarged, (From the Author's Report and pitted (Fig. 63), and some- on Cotton insects.) times they are ornamented with spines, and are frequently exquisitely colored. The Larva,—This is the second stage of an insect's life, and is the form that hatches from the ^g%. Familiar exam- ples of larvae are caterpillars, maggots, and grubs (Fig. 64).. 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
