Artificial intelligent assistant

puparium

puparium
  (pjuːˈpɛərɪəm)
  [mod.L., f. pupa + -arium, after herbarium, vivarium, etc.]
  The coarctate pupa of some Diptera and other insects, the case of which is formed by the last larval skin.

1815 Kirby & Sp. Entomol. iii. I. 71 The envelope of cased-nymphs, which is formed of the skin of the larva..may be conveniently called the puparium. 1904 Brit. Med. Jrnl. 17 Sept. 665 The puparium is a dark brown or black, cylindrical segmented body.

Oxford English Dictionary

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