Priophanes rufigaster Banks, 1946:450, ♀. Paratype ♀, Sao Paulo, Brazil, February (Mr. Williams, leg. F. X. Williams); Type ♀, Rezende, Est. do Rio, Brazil, February (M. C. Z., no. 26762, leg. F. X. Williams); Waichert et al., 2018Waichert, C., W.D. Colombo, C.D. von Dohlen & J.P. Pitts 2018. Taxonomic contributions to Ageniella Banks, 1912 (Hymenoptera: Pompilidae) from Brazil. Zootaxa 4403 (1):133-153.:149, Holotype ♀, examined (MCZ, 26762). - Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:438 (key female). - As Ageniella rufigaster: - Waichert et al., 2018Waichert, C., W.D. Colombo, C.D. von Dohlen & J.P. Pitts 2018. Taxonomic contributions to Ageniella Banks, 1912 (Hymenoptera: Pompilidae) from Brazil. Zootaxa 4403 (1):133-153. (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). - As Caliadurgus rufigaster: - 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). - As Calicurgus rufigaster: - Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:499 (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).