. Zoology for high schools and colleges. Zoology. EEMIPTERA. 349 bugs. They all have sucking mouth-parts, the mandibles and first maxillae being bristle-like, and unsheathed by the labium or second maxillse. Their metamor- phoses are incomplete, the larva being like the adult, except that the wings are absent. Many bugs secrete a disagreeable fluid from glands seated in the inetathorax. The lice are low, wingless parasitic Hemiptera. The squash-bug (Fig. 326, Coreus tristis) and chinch-bug {Blissus leucopterus Uhler) are types of the order. A'^ul^^ZZ While most insects live but a year or two,
. Zoology for high schools and colleges. Zoology. EEMIPTERA. 349 bugs. They all have sucking mouth-parts, the mandibles and first maxillae being bristle-like, and unsheathed by the labium or second maxillse. Their metamor- phoses are incomplete, the larva being like the adult, except that the wings are absent. Many bugs secrete a disagreeable fluid from glands seated in the inetathorax. The lice are low, wingless parasitic Hemiptera. The squash-bug (Fig. 326, Coreus tristis) and chinch-bug {Blissus leucopterus Uhler) are types of the order. A'^ul^^ZZ While most insects live but a year or two, or three at the most, the seventeen-year locust (Cicada sep- temdecim Linn., Fig. 327) lives over sixteen years as a 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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