Abstract

A new criconematid genus Amphisbaenema is proposed, its type being a new species, A. paradoxiger, from Western Samoa which shows an unusual combination of features in that the outer layer of the female cuticle is broken up into numerous platelets and the female head is rounded without submedian lobes, labial plates or pseudolips; the male has prominent caudal alae and juveniles have longitudinal rows of tubercles over most of the body which is covered by an outer layer of fine backwardly directed spines. Nothocriconema lamellatum (Raski & Golden, 1966) De Grisse, 1967 is transferred to this genus and a second new species, A. amicorum, from Tonga is tentatively assigned to it. Two new Nothocriconema species, N. polynesianum and N. lanxifrons, are also described. ac]19810806

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