Aulocostethus bifasciatus Ashmead, 1902 sensu Haupt, 1930:763, Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37.:35, Type ♀ (H. Haupt, Halle/Saale, Germany). - Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:31 ( listed as synonym of Epipompilus insolitus Evans, 1961).
Epipompilus insolitus Evans, 1961:35, ♀. Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:31, Type ♀ (Univ. Halle, Germany). Replacement name for Aulocostethus bifasciatus Ashmead, 1902 sensu Haupt, 1930 by Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37.:35. - Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37. (distribution); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442. (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).