[Ascaridia platyceri n.sp., a new species of nematode from parrots].

A new species of bird parasitic nematode, Ascaridia platyceri n. sp., is described from the small intestine of Platycerus eximius and 8 further species of Psittacidae maintained in Zoological Gardens and private holdings in the GDR. The new species differs from the 3 species of Ascaridia hitherto known from parrots mainly in the shape of the anterior border of the lips as well as in the number and position of the caudal papillae in the male.