. Zoology for high schools and colleges. Zoology. THE E0U8E-FL7. 355 in all directions. A few beetles are phosphorescent. Such are the fire-flies, the cucuyo of the West Indies, the glow- worm, and certain grubs, such as Astraptor illuminator (Pig. 340), Melanades, and the young of a snapping Fig. of the ox and its larva. Order 13. Siphonaptera.—The fleas (Fig. 341) are wing- less, with sucking mouth-parts; all the palpi four-jointed. Order 14. Diptera.—The common house fly (Fig. 343) is a type of this division, all the members of whichliave but two wings, while the tong
. Zoology for high schools and colleges. Zoology. THE E0U8E-FL7. 355 in all directions. A few beetles are phosphorescent. Such are the fire-flies, the cucuyo of the West Indies, the glow- worm, and certain grubs, such as Astraptor illuminator (Pig. 340), Melanades, and the young of a snapping Fig. of the ox and its larva. Order 13. Siphonaptera.—The fleas (Fig. 341) are wing- less, with sucking mouth-parts; all the palpi four-jointed. Order 14. Diptera.—The common house fly (Fig. 343) is a type of this division, all the members of whichliave but two wings, while the tongue is especially developed for lap- ping up liquids. The common house- fly lives one day in the egg state, from five days to a week as a maggot, and from five to seven days in the pupa state. It breeds about stables. The Tachina-fly is beneficial to man, from its parasitism in the bodies of caterpillars and other injurious insects. The bot-fly (Fig. 343, Hypoderma hovis DeGeer) is closely allied to the house-fly, but the maggot is much larger. The larval bot-fly of the horse lives in the stomach, that of the sheep in the frontal sinus. The Syrphus flies (Fig. 344, Syrphus politus Say) mimic wasps ; they are most useful in devouring aphides, while in. 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology
