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2. Life Cycle and Behavior<br />
2. Cabbage moth Mamestra brassicae<br />
2-3 3 generations/year in North of China;<br />
overwinter as diapause pupae in soil cells;<br />
most damage done to cabbage (甘蓝 ( 甘蓝) ) and<br />
Chinese cabbage (白菜 ( 白菜) ) from late Aug. to<br />
early Oct.
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