Noun
A kind of metamorphosis, in certain insects, in which the larva itself undergoes remarkable changes of form and structure during its growth.
Source: Webster's dictionaryIn some species, the pupa may go through all four forms during its development, called hypermetamorphosis (for example, Meloidae ). Source: Internet
Larvae of Stichotrema dallatorreanurn Hofeneder from Papua New Guinea were found to enter their orthopteran host's tarsus (foot). citation Once inside the host, they undergo hypermetamorphosis and become a less mobile, legless larval form. Source: Internet