Van den Berg, Esther, Plant Protection Research Institute, South Africa
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Vol 35, No 1 (1992) - Original Research
Description of two new Ogma Southern, 1914 species (Nemata: Criconematoidea) with a list of plant-parasitic nematode species from Natal
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Vol 36, No 2 (1993) - Original Research
A first list of plant-parasitic nematodes from the Wilderness National Park, with a description of Ogma sekgwaum spec. nov.
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