作者: J.L. Krysan

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1 电子书 J.L. Krysan

J.L. Krysan & Thomas A. Miller: Methods for the Study of Pest Diabrotica
Insects as a group occupy a middle ground in the biosphere between bac- at one extreme, amphibians and mammals at the other. teria and viruses of insects present special problems to the The size and …
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