pupa fly definition
A pupa (Latin pupa for doll, plural: pupae or pupas) is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages: embryo, larva, pupa and imago. The pupae of different groups of insects have different names such as chrysalis for the pupae of butterflies and tumbler for those of the mosquito family.
Definition of pupa for English Language Learners. biology : an insect that is in the stage of development between larva and adult.