. Animal communities in temperate America, as illustrated in the Chicago region ; a study in animal ecology. Animal ecology; Zoology. milkweeds and thistles. These are commonly at- / tended by ants, which stroke them and secure the honey dew from the posterior ends of their alimentary canals. The aphids reproduce rapidly, the young being born in rapid succession at a very ad- vanced state of development. They begin sucking the juices of the plant at once. Several small parasitic hymenoptera (braconids) (Fig. 299) lay their eggs in the bodies of the aphids. These finally kill the aphids, whose
. Animal communities in temperate America, as illustrated in the Chicago region ; a study in animal ecology. Animal ecology; Zoology. milkweeds and thistles. These are commonly at- / tended by ants, which stroke them and secure the honey dew from the posterior ends of their alimentary canals. The aphids reproduce rapidly, the young being born in rapid succession at a very ad- vanced state of development. They begin sucking the juices of the plant at once. Several small parasitic hymenoptera (braconids) (Fig. 299) lay their eggs in the bodies of the aphids. These finally kill the aphids, whose bodies with Fig. 298.—A viviparous grain louse {Macrosiphmn granaria Kirby) with her newly born young on a barley leaf (after Washburn, Bull. 108, Minn. Agr. Exp. Sta., Fig. 2, p. 262).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Shelford, Victor E. (Victor Ernest), b. 1877; Metcalf Collection (North Carolina State University). NCRS. Chicago, Ill. , Pub. for the Geographic Society of Chicago by the University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1913
