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. Zoology : for students and general readers . Zoology. 370 ZOO LOOT. Order 4. Hemiptera.—Insects of tliis group are called bugs. They all (except the bird-lice and Thrips) have sucking mouth-parts, the mandi- bles and first maxillaB are bristle- like, and ensheathed by the labium or second maxillte. There are no palpi except in Thrips and the bird-lice. The metamorphoses are incomplete, the larva being like the adult, except that the wings are ab- sent. Many bugs secrete a disa- greeable fluid from glands seated in the metathorax. The lice are low, wingless parasitic Hemiptera. The squash-bug
. Zoology : for students and general readers . Zoology. 370 ZOO LOOT. Order 4. Hemiptera.—Insects of tliis group are called bugs. They all (except the bird-lice and Thrips) have sucking mouth-parts, the mandi- bles and first maxillaB are bristle- like, and ensheathed by the labium or second maxillte. There are no palpi except in Thrips and the bird-lice. The metamorphoses are incomplete, the larva being like the adult, except that the wings are ab- sent. Many bugs secrete a disa- greeable fluid from glands seated in the metathorax. The lice are low, wingless parasitic Hemiptera. The squash-bug (Fig. 334, Coreus tristis) and chinch-bug {Blis sus leucopterus Uhler) are types of the Fig. 331. —Cor- eus tristis, aquaali- bug. Fig. 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 : Henry Holt
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879