蛹在土壤下休眠，直到冬季才变为成年的蛾飞出来。
The pupae remain dormant in the soil until they emerge as adult moths in the winter.
她可能是在成年蛾刚从蛹中孵化出来时观察到的。
She may have observed the adult moth just as it emerged from its pupa.
纤维或类似纤维材料的保护壳，由蛾或其他昆虫的幼虫做成，作为其蛹阶段的覆盖物。
A protective case of silk or similar fibrous material spun by the larvae of moths and other insects that serves as a covering for their pupal stage.
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