Aulocostethus bifasciatus Ashmead, 1902 Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37.:31, Type ♀ (U. S. Nat. Mus., no. 58858). - Haupt, 1930Haupt, H. 1930. Die Einordnung der mir bekannten Psammocharidae mit 2 Cubitalzellen in mein System. Mitt. zool. Mus. Berlin 16:673-787. (distribution), 763 (description female, listed); Bradley, 1944Bradley, J.C. 1944. A preliminary revision of the Pompilinae (exclusive of the tribe Pompilini) of the Americas (Hymenoptera: Pompilidae). Transactions of the American Entomological Society 70:23-157. (distribution), 141 (key female), 145 (description female, listed). - As Aulocostethus bifuscatus: - As Aulocostethus bifuscatus: - As Epipompilus bifasciatus: - Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37. (distribution), 31 (comb. nov.); Evans, 1967Evans, H.E. 1967. Studies on Neotropical Pompilidae III. Additional notes on Epipompilus Kohl. Breviora 273:1-15. (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).