Economic entomology for the farmer Economic entomology for the . economicentomolo00smit_0 Year: 1896 THE INSECT WORLD. 109 foreign country where it was on the whole rather scarce and kept in check by natural enemies ; 2d, its introduction into America, where these natural enemies did not exist, and where the insect found favorable opportunity for multiplying ; 3d, the introduction of some of its foreign parasites and of the predaceous insects feeding upon the species ; lastly, and most important of all, the Australian lady-bird recognized no other insect among those found in Calif
Economic entomology for the farmer Economic entomology for the . economicentomolo00smit_0 Year: 1896 THE INSECT WORLD. 109 foreign country where it was on the whole rather scarce and kept in check by natural enemies ; 2d, its introduction into America, where these natural enemies did not exist, and where the insect found favorable opportunity for multiplying ; 3d, the introduction of some of its foreign parasites and of the predaceous insects feeding upon the species ; lastly, and most important of all, the Australian lady-bird recognized no other insect among those found in California as proper food, and naturally confined itself entirely to these scales. The contest was unequal, and the scales lost rapidly, soon becoming nearly or quite exterminated. The
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