. Zoology for high schools and colleges. Zoology. THE COTTON-WORM. 359. Fig. 353.—Egg, caterpillar, and moth of Aletla argulacea, the Cotton Army- worm. The larger moths are represented by the canker-worm, the grass army-worm (Fig. 351), and the cotton army-worm (Fig. 353), so destructive to vegetation ; the silk - worm moth {Bomhyx mori Linn.), of the Old World, and the American silk-worm (Telea Polyphemus Linn.). Certain species of the silk - worm family, called basket-worms {(Eceticus), live in cases con- structed of short or long strips (Fig. 353. Our native species is
. Zoology for high schools and colleges. Zoology. THE COTTON-WORM. 359. Fig. 353.—Egg, caterpillar, and moth of Aletla argulacea, the Cotton Army- worm. The larger moths are represented by the canker-worm, the grass army-worm (Fig. 351), and the cotton army-worm (Fig. 353), so destructive to vegetation ; the silk - worm moth {Bomhyx mori Linn.), of the Old World, and the American silk-worm (Telea Polyphemus Linn.). Certain species of the silk - worm family, called basket-worms {(Eceticus), live in cases con- structed of short or long strips (Fig. 353. Our native species is mis Haworth. The hawk-moths {Sphinx) are distinguished by their large size and very long tongue. The butterflies differ from the moths in having knobbed anten- nse, while the chrysalides are often ornamented with golden or silvery spots. Order 16. Hymenoptera.—The hees stand at the head of the insect series in perfection and specialization of parts, especially the organs of the mouth, and from the fact that in the course of the metamorphosis from the larva to the pupa the first ab- dominal segments become transferred to the thorax—a striking instance of the principle of transfer of parts headward. In the large head, spheri- cal thorax, and short, conical abdo- men, the bees are opposed to the dragon-flies and other Neuroptera, in which the abdomen is long, the thorax composed of three homogene- ous segments, and the mouth-parts only adapted for biting. In the bee there is a marked differentiation of the parts of. 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
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