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. Annual report. Agricultural education. 1888.] PUBLIC DOCUMENT —No. 31. 101 Palpi filiform, slightly elongated, the last joint not dilated. Antennae very long and tapering. Pronotum elongated, very narrow, contracted in front, with the hinder border nearly straight. Wing covers large, reaching beyond the end of the abdomen. Wings often prolonged. Legs slender, and moderately long. Tibiae all longer than the femora, those of the first two pairs with- out spurs at the end; the first pair somewhat dilated above the middle, where they are provided with a little " drum" or auditory sac o

. Annual report. Agricultural education. 1888.] PUBLIC DOCUMENT —No. 31. 101 Palpi filiform, slightly elongated, the last joint not dilated. Antennae very long and tapering. Pronotum elongated, very narrow, contracted in front, with the hinder border nearly straight. Wing covers large, reaching beyond the end of the abdomen. Wings often prolonged. Legs slender, and moderately long. Tibiae all longer than the femora, those of the first two pairs with- out spurs at the end; the first pair somewhat dilated above the middle, where they are provided with a little " drum" or auditory sac o Stock Photo
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Library Book Collection / Alamy Stock Photo

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RMAKRJ

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7.1 MB (154.2 KB Compressed download)

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1381 x 1809 px | 23.4 x 30.6 cm | 9.2 x 12.1 inches | 150dpi

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. Annual report. Agricultural education. 1888.] PUBLIC DOCUMENT —No. 31. 101 Palpi filiform, slightly elongated, the last joint not dilated. Antennae very long and tapering. Pronotum elongated, very narrow, contracted in front, with the hinder border nearly straight. Wing covers large, reaching beyond the end of the abdomen. Wings often prolonged. Legs slender, and moderately long. Tibiae all longer than the femora, those of the first two pairs with- out spurs at the end; the first pair somewhat dilated above the middle, where they are provided with a little " drum" or auditory sac on each side. Hind femora slightly swollen; tibiae more or less spiny; tarsi with a pair of unequal spurs at the end of the first joint. Abdomen comparatively slim, armed at the end with a pair of tapering, jointed, and hairy cerci, which are of about the same length as the abdomen. OEcanthus niveus. Serville. Tree Cricket. (Fig. 7, male; Fig. 8, female.) Length, about three-fourths of an inch to the ends of the closed wings. Color, pale whitish green, often changing to a lighter or darker brown, frequently with brownish stripes on the head. Two short black lines, one beyond the other, on the under side of the base of the antennae. These insects arrive at maturity in the autumn, when the singing or shrilling of the males may be heard. After pairing, the female forces her ovipositor into the tender canes or branches of (Ecanthns niveus. the raspberry, grape, plum, peach and other Male. trees, depositing her eggs in a series, as shown in Fig. 9. The canes are weakened in this way, and break down easily. The eggs hatch in the early part of the next summer, and the young feed at first on plant lice, and later in the season on the ripe fruits. The infested canes may be cut ascJhui niveu-. off and burned late in the fall or Female, side view, early in the spring; and the mature insects ma}7 be killed in the fall by jarring the bushes on which they collect, causing them to fall to th

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