pupal stage

• 蛹期

pupal stage的用法和样例：

例句

1. Peculiarities in the silkworm are known to appear at the corresponding caterpillar or cocoon stage.
   蚕体的性状，亦限于相当的幼虫期或蛹期出现。
2. In general, larva having the lowest survival rate was the main fatal stage during group rearing following by prepupa and pupa.
   集体饲育以幼虫期之死亡率最高，为主要死亡时段，前蛹期次之，蛹期最低。