Pseudagenia princeps Banks, 1946:413, ♀. Type ♀, Nova Teutonia, Santa Catharina, Brazil, 14 February and 23 December (M. C. Z., no. 26620, leg. Plaumann); ♀♀, Nova Teutonia, Santa Catharina, Brazil, 14 February and 23 December (leg. Plaumann). - Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:407 (key female). - As Auplopus princeps: - Dreisbach, 1963Dreisbach, R.R. 1963. New species of spider wasp, genus Auplopus from the Americas South of the United States (Hymenoptera: Psammocharidae). Proceedings of the United States National Museum 114:137-211. (distribution), 141 (key female), 190 (key female); Vanoye-Eligio et al., 2021Vanoye-Eligio, M., M. del C. Gómez-Camal, B. del R. Martín-Canché, M. Rosas-Mejía, J.V. HortaVega & V. Vanoye-Eligio 2021. Current knowledge of the family Pompilidae (Hymenoptera: Vespoidea) in Mexico: diversity and geographical distribution. Zootaxa 5071 (4):505-536. (distribution); Fernández et al., 2022Fernández, F., J. Rodriguez, C. Waichert, B. Decker & J. Pitts 2022. Twenty two years later: An updated checklist of Neotropical spider wasps (Hymenoptera: Pompilidae). Zootaxa 5116 (4):451-503. (distribution).