1. Pupation takes place abou the middle part of April.
四月中旬开始化蛹,蛹期十八至二十天.
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用作名词 (n.)
This new rearing method and self-designed apparatus for pupation present the good approaches of life cycles for aquatic fireflies. 本新饲养方法与自行设计化蛹台是一种探讨水生萤火虫生活环的新方法。