Bembidula affinis Cameron, 1897:371, ♀. ♀, Mexico, Dos Arroyos in Guerrero (leg. H.H. Smith); Bohart, 1996Bohart, R.M. 1996. A review of the genus Bicyrtes (Hymenoptera: Sphecidae, Nyssoninae, Bembicini). Insecta Mundi 10 (1-4):139-152.:143, Holotype ♀ (London). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:403 (listed); Cameron, 1899Cameron, P. 1899. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. Supplement. :403-413. (distribution). - As Bicyrtes affinis: - 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); 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).