- As Priochilus regius: - Banks, 1944Banks, N. 1944. The Psammocharidae (Hymenoptera) taken at Kartabo and other localities in British Guiana. Zoologica 29:97-112. (distribution), 104 (key female, listed); Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:514 (listed); Dreisbach, 1950Dreisbach, R.R. 1950. A new species and a new variety in the genus Priochilus Banks (Hymenoptera: Psammocharidae) with a key to the species of North America and the Antilles. Bulletin of the Brooklyn Entomological Society 45:50-59. (distribution); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Cambra et al., 2004Cambra, R.A., D.A. Quintero & R.J. Miranda 2004. Presas, comportamiento de anidación y nuevos registros de distribución en Pompílidos Neotropicales (Hymenoptera: Pompilidae). Tecnociencia 6 (1):95-109. (distribution); 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); Fernández et al., 2017Fernández, F., V. Castro, J. Rodríguez, C. Waichert & J.P. Pitts 2017. Avispas cazadoras de arañas de Colombia (Hymenoptera: Pompilidae). Proceditor Ltda., Bogotá, D. C., Colombia. (distribution); Kurczewski et al., 2020Kurczewski, F.E., R.C. West, C. Waichert, K.C. Kissane, D. Ubick & J.P. Pitts 2020. New and unusual host records for North American and South American spider wasps (Hymenoptera: Pompilidae). Zootaxa 4891 (1):1-112. (distribution), 59 (prey); Kurczewski et al., 2022Kurczewski, F.E., R.C. West, C. Waichert & J.P. Pitts 2022. Additional new and unusual host records for Western Hemisphere spider wasps (Hymenoptera: Pompilidae). Insecta Mundi 0928:1-32. (distribution, hosts); Kurczewski et al., 2024Kurczewski, F.E., R.C. West & C. Waichert 2024. New host records for Nearctic and Neotropical spider wasps (Hymenoptera: Pompilidae). Insecta Mundi 1034:1-32. (distribution, hosts [Fufius sp. (Cyrtaucheniidae)]).