. Manual of fruit insects. Fig. .363. — The grape plume-moth (X 3). GRAPE INSECTS 423 enough to be a serious pest in commercialvineyards. They become full-grown the lastof June or early in July and transform topeculiarly shaped green or brownish pupa is attached obliquely to a leafor stem by the posterior end; it bears onthe middle of the dorsal surface a largeangulate projection. The moths emergein about a week. It is not known whetherthere is a second brood or not, and whetherthe insect hibernates in the egg or adultstage. No better remedy for this insect thanhand-picking the cater
. Manual of fruit insects. Fig. .363. — The grape plume-moth (X 3). GRAPE INSECTS 423 enough to be a serious pest in commercialvineyards. They become full-grown the lastof June or early in July and transform topeculiarly shaped green or brownish pupa is attached obliquely to a leafor stem by the posterior end; it bears onthe middle of the dorsal surface a largeangulate projection. The moths emergein about a week. It is not known whetherthere is a second brood or not, and whetherthe insect hibernates in the egg or adultstage. No better remedy for this insect thanhand-picking the caterpillars has been sug- fig. 364. — Tip ofgested. In commercial vinevards where g^ape shoot webbed , ,, , . i- i 1 together by a grape such methods are impracticable, it does piume-moth caterpil-little or no harm. *^^- H^^ P^^t- Reference Lintner, 12th Rept. N. Y. State Ent., pp. 218-222. The Grape-cane BorerSchistocerus hamatus Fabricius (Amphicerus hicaudatus Say) The smaller shoots of the grape are often tunneled out andkilled in the spring by a cylindrical dark brown beetle about fof an inch in length. This beetle also attacks the apple, peach,pear and other fruit-trees, as well as certain ornamental shrubsand forest trees. It is also known as the apple-twig widely distributed throughout the United States andCanada east of the Rocky Mountains, it has been most trouble-some to the grape in the Upper Mississippi Valley, in Iowa,Missouri, Kansas and Nebraska. The grubs have been found burrowing in dying canes of the 424 FRUIT INSECTS grape, in Tamarix, a much cultivated ornamental shrub, in thesubterranean stems of the Smilax or cat-briar in the South, andin the upturned roots of a maple. The eggs have not been de-scribed, but are probably laid on or in the bark of the smallerbranches, for one observer records having traced the burrowto its beginning in su
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