This dataset contains the digitized treatments in Plazi based on the original journal article van Noort, Simon, Johnson, Norman (2009): New species of the plesiomorphic genus Nixonia Masner (Hymenoptera, Platygastroidea, Platygastridae) from South Africa. ZooKeys 20 (20): 31-51, DOI: 10.3897/zookeys.20.112