palidium

palidium
n.; pl. -ia [L. dim palus, stake]
(ARTHROPODA: Insecta)
In scarabaeoid larvae, a paired group of spines placed either before the anus or from the ends of the anal slit; the pali are recumbent and may occur in one to many rows.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • raster — n.; pl. rastri [L. rastrum, rake] (ARTHROPODA: Insecta) A complex of bare areas, hairs and spines on the ventral surface of the last abdominal segment, in front of the anus in Scarabaeoidea; comprised of septula, palidium, teges, tegillum in some …   Dictionary of invertebrate zoology

  • septula — 1. pl. septulum. 2. n.; pl. ae [L. dim. septum, partition] (ARTHROPODA: Insecta) In Scarabaeoidea larvae, a narrow bare region of the raster: between a transverse palidium and base of the lower anal lip, or between a pair of oblique palidia… …   Dictionary of invertebrate zoology

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