chitinous plate of Hayes
see nesium.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • nesium — n.; pl. nesia [Gr. nesion, an islet] (ARTHROPODA: Insecta) In scarab beetle larvae, one or two sclerotized projecting marks between the inner end of the dexiotorma and crepis; when two are present, termed nesium externum and nesium internum;… …   Dictionary of invertebrate zoology

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