. The animal creation: a popular introduction to zoology. Zoology. 170 HOMOPTEEA. plant, the juices of vvhicli seem to be specially appropriated to their use. Such are The Tree-hoppers (Cicadce), some of them celebrated for their noisy music. The Cicadae pass their lives upon trees or shrubs, upon the sap of which they live. The Plant-lice (Aphides) are small homopterous insects. They abound in every garden, living on trees and plants in countless multitudes; indeed, the fecundity of these creatures seems absolutely boundless. It has been calculated that if a male Aphis were to live to see his
. The animal creation: a popular introduction to zoology. Zoology. 170 HOMOPTEEA. plant, the juices of vvhicli seem to be specially appropriated to their use. Such are The Tree-hoppers (Cicadce), some of them celebrated for their noisy music. The Cicadae pass their lives upon trees or shrubs, upon the sap of which they live. The Plant-lice (Aphides) are small homopterous insects. They abound in every garden, living on trees and plants in countless multitudes; indeed, the fecundity of these creatures seems absolutely boundless. It has been calculated that if a male Aphis were to live to see his progeny of the fifth generation gathered around him, he would find himself the great-great-grandfather of nine. Fig. 130.—lime-tree aphis. ( The lines under the figure show tJie actual site.) billions nine hundred and four millions of Aphides; or, in other words, of a family about fifty times more nume- rous than all the human inhabitants of this globe. With such a fact before us, we leave our readers to judge what might be the result of their undisturbed multiplication. In the course of a few months, even these apparently desj)icable plant-lice would become a plague, as terrible as any mth which the world has been visited. Fortu- nately, even here, the balance between increase and destruction is held with an unwavering hand, so that when we notice the innumerable enemies by which their legions are unremittingly attacked, we are almost led to. 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 Jones, Thomas Rymer, 1810-1880. London : Society for Promoting Knowledge
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Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology
