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Insects injurious to fruits . ted, and thereare on the wing-cases tenlongitudinal lines of dots ofvarying sizes, divided byslight ridges. The under side of the body and legs is alsoscaly and hairy. In some localities in Florida these beetles are said to bevery abundant. As they readily drop when the trees are jarred,they may be easily collected on sheets spread under the trees. No. 244.—The Angular-winged Katydid. Microcenirum retinervis Burm. There is, perhaps, no insect of large size so destructive tothe foliage of the orange as this. It is a large green katydid,and one of the commonest inse
Insects injurious to fruits . ted, and thereare on the wing-cases tenlongitudinal lines of dots ofvarying sizes, divided byslight ridges. The under side of the body and legs is alsoscaly and hairy. In some localities in Florida these beetles are said to bevery abundant. As they readily drop when the trees are jarred,they may be easily collected on sheets spread under the trees. No. 244.—The Angular-winged Katydid. Microcenirum retinervis Burm. There is, perhaps, no insect of large size so destructive tothe foliage of the orange as this. It is a large green katydid,and one of the commonest insects in the South. During the daytime it is seldom seen, as it is then hiddenamong the thick foliage of trees and shrubs, but towardsdusk it leaves its hiding-places and makes the air resonantwith its music, which is produced by rubbing the wingsagainst the thighs. The eggs are deposited in abundanceupon both twigs and leaves, as shown in Fig. 394 at 1 a and2 6, overlapping each other. They are of a long, oval form, Fig. 394. INSECTS INJURIOUS TO THE ORANGE. 385 and nearly flat. The young katydids issue from that end ofthe egg which projects beyond the leaf, leaving the emptyegg-shell still in position behind. When first hatched, theyfeed only upon the surface of the leaf, but as they increase insize they devour the whole substance. When mature, theyacquire wings, which enable them to fly readily from tree totree, appearing as shown at 1 in the figure. From the headto the extremity of the closed wings, the full-grown insectmeasures about two and a half inches. The outer wings aregreen, with leaf-like veinings, the under pair of a paler green,and beautifully netted; the antennae are long and thread-like,and the hind legs slender. The female is furnished with acurved ovipositor at the end of the abdomen. Fortunately, there is a small Chalcid fly parasitic on theeggs of this katydid, which, when mature, is little more thanone-eighth of an inch long; it is the Eupelmus mhabilis o
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Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880