. Injurious insects and the use of insecticides [microform] : a new descriptive manual on noxious insects, with methods for their repression . ^^^^^ Fig. 98.—Spotted Gkape-vine Larva, 6. Pupa. c. Beetle. (Riley.) 122 INJURIOUS INSECTS. The larva is believed to require three years ia which to complete itsgrowth. Wheu full-grown it constructs a rather unsubstantial cocoonin which to pupate. The pupal stage lasts for eight or ten clays,when the adult beetle emerges, and is found on the vines during July,August and September. Remedies.—This insect has never been known to be abundant orto
. Injurious insects and the use of insecticides [microform] : a new descriptive manual on noxious insects, with methods for their repression . ^^^^^ Fig. 98.—Spotted Gkape-vine Larva, 6. Pupa. c. Beetle. (Riley.) 122 INJURIOUS INSECTS. The larva is believed to require three years ia which to complete itsgrowth. Wheu full-grown it constructs a rather unsubstantial cocoonin which to pupate. The pupal stage lasts for eight or ten clays,when the adult beetle emerges, and is found on the vines during July,August and September. Remedies.—This insect has never been known to be abundant orto do very material injury to the vine. We know of no remedy buthand-picking. THE ACHEMON SPHINX. (Philampelus achemon.) This insect is widely distributed throughout the United States andCanada. The adult is a beautiful hawk-moth, measuring about threeand a half inches across the expanded wings. The general color is. Fig. 99.—Satellite Sphinx. brownish-gray, handsomely variegated with lighter shades of brown,and with deep brown spots on the wings and body. The hind wings are pink, marked with a reddish shade across themiddle aud with a row of dark spots in a wide border of gray alongthe hind margins of the lower wings. The eggs are deposited on the under side of the leaves of the grapeand Virginia creeper, aud hatch in a few days into small, green September the larvae are full-grown, they are then nearly four inches SMALL FRUITS. 123 long. The full-grown worms are sometimes green like the young ones,but are more generallyof a pale yellowish orreddish-brown color,deepening to brownishshades on the sides;numerous minute dotscover the body, and onthe sides are six cream-colored spots. Whenabout to transform, thecaterpillars are beauti-ful crimson or then descend tothe ground and form asmooth cavity a fewinches under the sur-face and change to darkmahogany coloredchrysalids, emerg
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbenefic, bookyear1894
