. Injurious insects : how to recognize and control them . Insect pests; Insect pests. OSUBS DEVELOPING WITHIN THE FRUIT 335 the punctures as does the cm-culio. In feeding the beetle gouges out small round holes. The grub pupates inside the fruit, and then emerges as an adult. In- fested plimis usually drop before the adult is due to emerge. Hiber- nation takes place in the adult stage. Jarring the trees to catch the beetles is a fairly effective treatment. Prompt destruction of fallen fruit is of \-alue, where practicable. Early sprajdng with ai'senate of lead or Paris green, as recommended fo
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. OSUBS DEVELOPING WITHIN THE FRUIT 335 the punctures as does the cm-culio. In feeding the beetle gouges out small round holes. The grub pupates inside the fruit, and then emerges as an adult. In- fested plimis usually drop before the adult is due to emerge. Hiber- nation takes place in the adult stage. Jarring the trees to catch the beetles is a fairly effective treatment. Prompt destruction of fallen fruit is of \-alue, where practicable. Early sprajdng with ai'senate of lead or Paris green, as recommended for the plmn cm-cuho, is hkely to kiU most of the liibcrnating adults. The Grape Curculio {Crapoiiius iiuTqualis Say) The fruit of grapes is sometunes found in- fested by a white, fleshy, inactive grub, footless, and tapering towards each end. Tliis is the larval stage of the grape curculio. Fig. 520. - Work and larva of the Grape Curculio. Slightly enlarged. Original. It may readily be distinguished from the other grub oommorjy found in grapes, that of the grape berry moth, wliich has distinct legs, is more slender and cylindrical, and is greenish or light purplish in color. The adult beetle is one tenth of an inch long, quite broad, and brown in color. It appears from liibernation when the grapes are blossoming, and feeds on the fohage. Later it begins lading eggs in the berries. The grub, when mature, drops to the ground, transforms in the soil, and a new generation of beetles is abroad in late Fig. 521. — The Grape Cur- i ii * • i-i t- -^ , J J , smnmer, shortly entermg lubernation. cuuo. Enlarged and nat- •" ural size. Original. There is thus One generation each 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
