SUMMARY
During a survey of freshwater nematodes in South Africa, six species of Tobrilus Andrássy, 1959 were encountered. The six species, four of which are new to science, are described and figured, viz. Tobrilus annetteae, n.sp.; T. heptapapillatus n.sp.; T. stefanskii (Micoletzky, 1925) Andrássy, 1959; T. diversipapillatus (Daday, 1905) Andrássy, 1959; T. ampiei n.sp. and T. floridensis n.sp.
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