. The American fruit culturist. Fig. 221. Figs. 222 and 223. Tlte Oyster-shell Bark-louse. Fig. 221.—Female scale from below, showingeggs. Fig. 222.—The same from above,greatly enlarged ; (/, male scale, 223.—Female scales. (U. S. Div. of En-tomology.) DESTRUCTIVE INSECTS. 167. its scaly covering is nearly white in color. It is two-broodedeven in New York, and from ten to seventy-five purple eggswinter under each female scale. This scurfy scale is best controlled by the same methods asthe preceding Jose Scale {Aspi-diotus perniciosus). —This insect firstappear
. The American fruit culturist. Fig. 221. Figs. 222 and 223. Tlte Oyster-shell Bark-louse. Fig. 221.—Female scale from below, showingeggs. Fig. 222.—The same from above,greatly enlarged ; (/, male scale, 223.—Female scales. (U. S. Div. of En-tomology.) DESTRUCTIVE INSECTS. 167. its scaly covering is nearly white in color. It is two-broodedeven in New York, and from ten to seventy-five purple eggswinter under each female scale. This scurfy scale is best controlled by the same methods asthe preceding Jose Scale {Aspi-diotus perniciosus). —This insect firstappeared in Californiamany years 1887 it was in-troduced into theEastern United Stateson nursery stock; andit has since attainedinternational import-ance, and has beenwidely distributedthroughout this coun-try. It is recognizedeverywhere as a mostdestructive and dan-gerous fruit pest. Itspreads all over thetree and fruit, at times literally covering it—in such casesoften killing it, if undisturbed, in a few years. It thrives onall kinds of fruit-trees, and on the small fruits as well as onmost other deciduous trees or shrubs; peaches usually suc-cumb to its attacks more quickly than any other can spread only by direct contact of theliving female with a live tre
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