Calicurgus pretiosus Fox, 1897:279, ♀. Holotype ♀, Rio de Janeiro, November. - Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:498 (listed); Junco y Reyes, 1951Junco y Reyes, J.J. 1951. Himenópteros de Espana. Fam. Psammocharidae (Olim. Pompilidae). II. Claveliinae, Calicurgini. EOS Revista Española de Entomologia 27 (2):143-233. (distribution); Dreisbach, 1961Dreisbach, R.R. 1961. Eighteen new species in the genus Calicurgus Lepeletier (Hymenoptera:Psammocharidae) from Mexico, Central and South America with a key to all the speciesand photomicrographs of the male genitalia and subgenital plates. The American Midland Naturalist 65 (2):360-380. (distribution). - As Caliadurgus pretiosus: - Santos et al., 2015Santos, E.F. dos, Y.C Grandinete & F.B. Noll 2015. Additions to the checklist of Scoliidae, Sphecidae, Pompilidae and Vespidae of Peru, with notes on the endemic status of some species (Hymenoptera, Aculeata). ZooKeys 519:33-48. (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); 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).