hypermetamorphosis

Some beetles undergo hypermetamorphosis, in which they have different larval types in different instars (the stages between molts). The early larval stages usually are active, and the later stages are parasitic on other organisms. The active young larvae of most Meloidae (blister beetles), called triungulins, for example, hatch…

Hypermetamorphosis, a form of complete metamorphosis, occurs in some beetles, flies, and other insects and is characterized by a series of larval stages.