Bembidula viduata Handlirsch, 1889:491, ♀. 2 ♀♀, Amerika und 'Huastec' (Coll. Saussure und Brüsseler Museum); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:149, Lectotype ♀ (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.:96 (listed); Cameron, 1890Cameron, P. 1890. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :65-129. (distribution). - As Bicyrtes viduata: - Parker, 1917Parker, J.B. 1917. . 1-155. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152. (distribution); 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); Horta Vega et al., 2007Horta Vega, J.V., O.N. Pinson Domínguez, L. Barrientos Lozano & A. Correa Sandoval 2007. Sphecidae y Crabronidae (Hymenoptera) de algunos municipios del centro y sur de Tamaulipas, México. Acta Zool. Mex. (n.s.) 23:35-48. (distribution); Horta Vega et al., 2013Horta Vega, J.V., M. Vanoye-Eligio, M.E. García-Gutiérrez, J.M.Coronado-Blanco & L. Barrientos-Lozano 2013. Crabronidae (Hymenoptera) de la localidad Cañón del Novillo, Victoria, Tamaulipas, México. Acta Zool. Mex. (n.s.) 29 (2):376-387. (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). - As Bicyrtes viduatus: - 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).
Bicyrtes gracilis Parker, 1917:68, ♂. Holotype ♂, Santa Rita Mountains, Arizona (University of Kansas, leg. F.H. Snow); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:149, Holotype ♂ (Lawrence). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1706 ( listed as synonym of Bicyrtes viduata (Handlirsch, 1889)); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:149 ( listed as synonym of Bicyrtes viduata (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 viduatus (Handlirsch, 1889)).