Insects injurious to fruits . much magnified ; the short lines at the side show its naturalsize. A fourth friendly helper is an Ichneumon fly, knownunder the name of theCecropia Cryptus, Oryptus ^^ extrematis Cresson, whichinfests the Cecropia larvain great numbers, filling itschrysalis so entirely withits thin, papery cocoonsthat a transverse sectionbears a strong resemblanceto a piece of honey-comb.(See Fig. 76.) The flies ofthis parasite e-scape in June,the female presenting theappearance shown in , where it is much mag-nified, the short line at the side showing its natural


Insects injurious to fruits . much magnified ; the short lines at the side show its naturalsize. A fourth friendly helper is an Ichneumon fly, knownunder the name of theCecropia Cryptus, Oryptus ^^ extrematis Cresson, whichinfests the Cecropia larvain great numbers, filling itschrysalis so entirely withits thin, papery cocoonsthat a transverse sectionbears a strong resemblanceto a piece of honey-comb.(See Fig. 76.) The flies ofthis parasite e-scape in June,the female presenting theappearance shown in , where it is much mag-nified, the short line at the side showing its natural two-winged parasite is Gaurax anchora Loew. While very partial to the apple, the larva of Cecropia willalso feed on the cherry, plum, pear, maple, willow, lilac, Eng-


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Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880