Insects injurious to fruits . he branches, causing the leaves tocurl up and the vine to appear very unsightly. They areseen early in the summer, and usually continue but a fewweeks, as their enemies, the lady-birds and other predaceousinsects, increase so fast as to decimate them within that are common in the Southand in the Middle States, butoccur only occasionally in themore northern districts. Should occasion require theapplication of a remedy, thevines may be syringed withweak lye, tobacco - water, orstrong soap-suds. No. 165.—The Broad-wingedKatydid. Cyrtophyllus concavus (Harri
Insects injurious to fruits . he branches, causing the leaves tocurl up and the vine to appear very unsightly. They areseen early in the summer, and usually continue but a fewweeks, as their enemies, the lady-birds and other predaceousinsects, increase so fast as to decimate them within that are common in the Southand in the Middle States, butoccur only occasionally in themore northern districts. Should occasion require theapplication of a remedy, thevines may be syringed withweak lye, tobacco - water, orstrong soap-suds. No. 165.—The Broad-wingedKatydid. Cyrtophyllus concavus (Harris). - This is perhaps our common-est species of katydid, and maybe distinguished from the otherspecies by the greater breadthand convexity of its wing-cov-ers, which, with their strongmidrib and regular venation,much resemble a leaf. The in-sect (Fig. 302) is about an inchand a half long, its body of apale green color, with slightly darker wing-cases. The femalehas a projecting ovipositor or piercer, with which the eggs are. 292 INSECTS INJURIOUS TO THE GRAPE. thnist into crevices and soft substances. The eggs are ofa dark slate color, very flat, pointed at both ends and theedges bevelled : they are about one-eighth of an inch long,and not more than one-third of this in diameter. When inconfinement this katydid is said to insert its eggs freely intopieces of cork and other soft substances. The young katy-dids when hatched, which usually occurs in the followingspring, eat almost any tender succulent leaves, and have neverbeen recorded as very injurious. The males are furnishedwith a pair of musical organs, which they use vigorously asnight approaches, and their sharp, shrill notes can be heardat a long distance. Another and a very similar species is the Oblong-wingedKatydid, Phylloptera oblongifolia De Geer, which is also saidto deposit eggs on grape-twigs. No. 166.—The Trumpet Grape-gall. Vitis vitlcola Osten Sacken. These are curious, elongated, conical galls, about one-th
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