Irenangelus townesorum Evans, 1969:425, ♂. Holotype ♂, Mexico: El Naranjo, 24 km W. N. Morelos, San Luis Potosi, 9 Oct. 1962 (H.K. Townes, leg. H. & M. Townes). - Kimsey & Wasbauer, 2004Kimsey, L.S. & Wasbauer M.S. 2004. Revision of New World species of the cleptoparasitic pompilid genus Irenangelus Schulz (Hymenoptera: Pompilidae). Journal of the Kansas Entomological Society 77:650-668. (distribution), 666 (listed); Corro & Cambra, 2011Corro, P.E. & R.A. Cambra 2011. Diversidad de avispas (Hymenoptera: Pompilidae) cazadoras de arañas del Parque Nacional Darién, República de Panamá. Tecnociencia 13 (1):77-90. (distribution); Quijano-Cuervo et al., 2020Quijano-Cuervo, L.G., R.Badillo-Montaño & A. Falcón-Brindis 2020. Nesting ecology and first description of the male of Auplopus auripilus Cresson (Hymenoptera: Pompilidae). International Journal of Tropical Insect Science :. (distribution); 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).