Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . economicentomol00smit Year: 1906 THE INSECT WORLD. 267 species often becomes a serious pest in cities on shade-trees. There are two broods, the second being usually the one most Fig. 288. The fall web-worm, Hyphantria cunea.—a, b, c, varieties of larva ; d, e, pupa ; /, moth of the normal white form. noticeable, whence the name 'fall' web-worm, to distinguish it from the common orchard tent-caterpillar, which appears only in Fig. 289.

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