Description of Aetholaimus trochus n.sp. and the male of Ironus ignavus Bastian, 1865 (Nematoda) from Caprivi, Namibia

ENGLISH ABSTRACT: Two species of the genera Aetholaimus Williams, 1962 and Ironus Bastian, 1865 from the remote eastern Caprivi, show some remarkable morphological features, which are presented here in photomicrographs. Aetholaimus trochus n .sp. can be distinguished from all other species within the genus by its long body, long prerectum, long mural tooth, short odontophore and presence of males. Males of lronus ignavus Bastian,1865 are reported and described for the first time. ********* AFRIKAANSE OPSOMMING: Twee spesies van die genera Aetholaimus Williams,1 962 en Ironus Bastian,1865 is in die afgele Oos-Caprivi versamel en besit merkwaardige kenmerke wat in fotomikrograwe weergegee word. Aetholaimus trochus n .sp. kan van alle ander spesies in die genus onderskei word deur die lang liggaam, lang prerektum, lang murale tand, kort odontofoor en teenwoordigheid van mannetjies. Mannetjies van lronus ignavus Bastian, 1865 word vir die eerste keer aangemeld en beskryf.