Insects injurious to fruits . lllimbs of the cherry and deposits its eggs therein. The bodyis black on the upper side, the head and thorax being spottedand marked with olive-green. The wings are large, trans-parent, and strongly veined, the principal veins having agreenisii tint. The under side of thebody is coated with a whitish powder,legs greenish. This cicada, which isshown in Fig. 209, is very generallydistributed throughout the NorthernUnited States and the province ofOntario, and the shrill notes of themales may be heard almost everywhereduring warm days in August, from tenoclock in the
Insects injurious to fruits . lllimbs of the cherry and deposits its eggs therein. The bodyis black on the upper side, the head and thorax being spottedand marked with olive-green. The wings are large, trans-parent, and strongly veined, the principal veins having agreenisii tint. The under side of thebody is coated with a whitish powder,legs greenish. This cicada, which isshown in Fig. 209, is very generallydistributed throughout the NorthernUnited States and the province ofOntario, and the shrill notes of themales may be heard almost everywhereduring warm days in August, from tenoclock in the morning until two inthe afternoon. The males only aremusical, and their drums are situatedin cavities in the sides of the anteriorsegments of their robust bodies. The larva is unknown, but doubtless closely resembles thatof the seventeen-year locust; the pupa also is very similar, andhas been found beneath cherry, maple, and elm trees. Theravages of this insect have never been sufficiently importantto attract much No. 107.—The Cherry-tree Bark-louse. Lecanium cerasifex is a bark-louse very much resembling that of thepear-tree, Lecanium pyri, No. 69. It may be found in 204 INSECTS INJURIOUS TO THE CHERRY. spring adhering to tlie under side of the limbs of cherry-trees and sucking their juices. The shell is hemispherical inform, black, more or less mottled with pale dull-yellow lifting this shell, a mass of minute eggs is found, whichshortly hatch, whereupon the insects spread over the bark ofthe succulent twigs, and, piercing it, subsist upon the juices,passing through the various stages of their growth before thewinter approaches. The remedies recommended for L. pyriwill be equally applicable in this case. No. 108.—The Cherry-tree cerasi Fitch. On examining the limbs of the choke-cherry in winter,there will .sometimes be found on the bark a small, roundishscale, like a tiny blister, which, when raised, disclo-ses a clu
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