Bembidula diodonta Handlirsch, 1889:484, ♂. Holotype ♂, Orizaba in Mexico (Coll. Saussure); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:145, Holotype ♂ (Geneva). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:95 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution). - As Bembidula diodontus: - As Bicyrtes diodonta: - Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution). - As Bicyrtes diodontus: - Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).
Bicyrtes oribates Pate, 1936:220, Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:145, Holotype ♂ (Ithaca). - Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:145 ( listed as synonym of Bicyrtes diodonta (Handlirsch, 1889)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:9 ( listed as synonym of Bicyrtes diodontus (Handlirsch, 1889)).