stylet sheath

stylet sheath
(ARTHROPODA: Insecta)
In aculeate Hymenoptera, the dorsal part of the terebra.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • acanthostyle — n. [Gr. akantha, thorn, spine; stylos, pillar] 1. (BRYOZOA: Stenolaemata) A type of stylet with a smooth rod core of nonlaminated calcite, with sheath laminae usually strongly deflected toward the zoarial surface as spines; usually larger than… …   Dictionary of invertebrate zoology

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