calyptostase


calyptostase
n. [Gr. kalyptos, covered; stasis, standing]
(ARTHROPODA: Chelicerata)
A stase in which acarine instars are subject to regressive characters from losing the use of appendages and mouthparts, to remaining enclosed in the tegument of the preceding stase or in the egg-shell; nymphochrysalis. calyptostasic a; see protelattosis, elattostase.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • protelattosis — n. [Gr. protos, first; elatton, smaller] (ARTHROPODA: Chelicerata) In Acari, regression of the first instar, particularly regarding elattostase and calyptostase …   Dictionary of invertebrate zoology

  • ACARIENS — Homère parle des tiques (Ixodes ) à propos du chien d’Ulysse, Argos, qui en était couvert. Aristote connaissait plusieurs espèces d’Acariens: sous le nom d’Akari (qui n’est pas divisé), il décrit un parasite rouge qui pouvait être une larve de… …   Encyclopédie Universelle


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