Corpus allatum

In insect physiology, an endocrine gland that generates juvenile hormones

In insect physiology and anatomy, the corpus allatum is an endocrine gland that generates juvenile hormone; as such, it plays a crucial role in metamorphosis. Surgical removal of the corpora allata can cause an immature larva to pupate at its next molt, resulting in a miniature adult. Similarly, transplantation of corpora allata from a young larva to a fully mature larva can greatly extend the larval stage, resulting in an equivalent to gigantism.

This keyword could refer to multiple things. Here are some suggestions: