n. [Gr. protos, first; elatton, smaller]
(ARTHROPODA: Chelicerata)
In Acari, regression of the first instar, particularly regarding elattostase and calyptostase.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • 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… …   Dictionary of invertebrate zoology

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