. Elements of comparative zoology. Zoology. INSECTS. 259 those familiar forms which have no other common name than 'stink-bug.' No one who has ever taken into his month a berry over which one of these animals has trav- elled can doubt the appropriateness of the name. How- ever, these bugs are not alone in their malodorous qualities; many others, like the squash-bug and bedbug, also secrete a strong-smelling fluid, which of course protects them from birds and other insect-eating animals. Among the Homoptera the cicadas come first. One of these, the 'dog-day locust' (it is not a locust at all),
. Elements of comparative zoology. Zoology. INSECTS. 259 those familiar forms which have no other common name than 'stink-bug.' No one who has ever taken into his month a berry over which one of these animals has trav- elled can doubt the appropriateness of the name. How- ever, these bugs are not alone in their malodorous qualities; many others, like the squash-bug and bedbug, also secrete a strong-smelling fluid, which of course protects them from birds and other insect-eating animals. Among the Homoptera the cicadas come first. One of these, the 'dog-day locust' (it is not a locust at all), is familiar from its shrill note heard during the hottest days of summer. This form requires two years to come. Fig. 79.—Seventeen-year locust (Cicada septendecim). From Riley, a, pupa; b, pupa-case from which the adult, c, has escaped; d, twig bored for the deposition of eggs. to its full maturity, but its cousin, the seventeen-year locust (fig. 79), requires, typically, seventeen years from. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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