- cryptocephalic pupa
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(ARTHROPODA: Insecta)In Diptera, a pupal stage after the larval-pupal apolysis in which marked changes of form appear through evagination of the head without molting, then proceeds to a phanerocephalic pupa.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.