日本金龟子在中国适生区的预测
Prediction of suitable areas for the Japanese Beetle in China
日本金龟子芽孢杆菌培养基优化及孢子回收方法的建立
Medium Optimization for Bacillus Popilliae and Establishment of Spores Recovery Method
日本金龟子原产日本，现在已经分布于许多国家，并且造成了严重的经济损失。
Now it has occurred in many countries and caused serious economic loss .
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