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Insects injurious to fruits . ye-like spot in place of the tail, the bi-eatliing-pores alongthe sides black, showing prominently in the cream-colored spots. It is a veryFig. 259. voracious feeder, and strips the vine of itsleaves with such ra-pidity that it soonattracts attention. When full grown,it descends from thevine and buries itselfin the ground, whereit forms an ovalcell, within which itchanges to a chrysa-lis. The chrysalis isof a chestnut-browncolor, with the seg-ments roughened withimpressed points, theterminal joint havinga long thick insect usually re-mains in the chrysa-
Insects injurious to fruits . ye-like spot in place of the tail, the bi-eatliing-pores alongthe sides black, showing prominently in the cream-colored spots. It is a veryFig. 259. voracious feeder, and strips the vine of itsleaves with such ra-pidity that it soonattracts attention. When full grown,it descends from thevine and buries itselfin the ground, whereit forms an ovalcell, within which itchanges to a chrysa-lis. The chrysalis isof a chestnut-browncolor, with the seg-ments roughened withimpressed points, theterminal joint havinga long thick insect usually re-mains in the chrysa-lis state until the fol-lowing summer, butoccasionally it ma-tures and escapes thesame season. Should these larvae at any time prove trouble-some, they can be readily subdued by hand-picking. No. 134.—The Achemon Sphinx. Philampelus achemon (Drury).The caterpillar of this sphinx (Fig. 260) is truly a formida-ble-looking creature, measuring, when full grown, if at rest,about three inches, and when in motion about three and a. ATTACKING THE LEAVES. 251 half inches. It mucli resembles that of Paiulorus, No. 133,and feeds also on the Virginia creeper {Ampelopsis guinquefolki)as well as on the grape-vine. The egg is laid on the underside of the leaf in July, and the young larva, when hatched,is of a light-green color, with a very conspicuous reddiah-brown horn, half as long as its body, which, as the larvaincreases in size, becomes shorter, and finally disappears, itsplace being occupied by a polished tubercle with a centralblack dot. The mature larva varies from a pale straw-colorto a reddish brown, the color growing darker down the sides, Fig. 260.
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Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests