pupa An immature stage in the development of those insects which have a larva completely different in structure from the adult, and in which complete metamorphosis occurs. The pupa is a resting stage in which the larval structure is reorganized to form the adult: all but the nervous system changes. Feeding and locomotion are meanwhile suspended. Related category • ZOOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |