Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . ore especially by the square black spot near the in-ternal angle, which is isolated from the submargino-apical dusky line, of which itforms a part. Length of body, female, .90; expanse of wings, inches. 219. The American silk-worm. Telea polyphemus Hiibner. Feeding on the leaves in August and September, a large, fat, pale-green worm, aslarge as ones finger, with pearly red warts, with an oblique white line between thetwo lowermo
Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . ore especially by the square black spot near the in-ternal angle, which is isolated from the submargino-apical dusky line, of which itforms a part. Length of body, female, .90; expanse of wings, inches. 219. The American silk-worm. Telea polyphemus Hiibner. Feeding on the leaves in August and September, a large, fat, pale-green worm, aslarge as ones finger, with pearly red warts, with an oblique white line between thetwo lowermost warts; the head and feet brown, and a brown V-sliaped line on the tail. The American silk-worm, not uncommonly met with on the oak, maybe artificially reared in great abundance on the leaves of this tree, andthe silk, reeled from the cocoons, can make a durable and useful large, thick, oval cocoons are attached to the leaves and fall withthem to the ground in autumn. The eggs are laid in June, when themoths may be seen flying at night. It is one of our largest moths, ex-paudiug from five to six inches, and is dull ocherous-yellow, with a large. Fig. 53.—American silk worm, natural aize.—From Packard, after Trouvelot. transparent eye-like spot in the middle of each wing. It is not commonenough to be destructive.
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