Oxaea flavescens Klug, 1807:262, Lectotype ♂ (Institut für Systematische Zoologie, Museum für Naturkunde, Berlin), designated by Engel, 2006Engel, M.S. 2006. Oxaea flavescens KLUG 1807: Stabilization by designation of a lectotype (Hymenoptera: Andrenidae). Polskie Pismo Entomologiczne 75 (3):439-442.:440. - Friese, 1898Friese, H. 1898. Monographie der Bienengattungen, Megacilissa, Caupolicana, Diphaglossa und Oxaea. Ann. KK Naturh. Hof. 13 (1):59-86. (distribution); Cockerell, 1933Cockerell, T.D.A. 1933. Descriptions and records of bees. - CXLIII. The Annals and Magazine of Natural History ser. 10: v. 11 (64):456-468. (distribution); Smith-Pardo, 2003Smith-Pardo, A.H. 2003. A preliminary account of the bees of Colombia (Hymenoptera: Apoidea): present knowledge and future directions. Journal of the Kansas Entomological Society 76 (2):335-341. (distribution); Imperatriz-Fonseca et al., 2011Imperatriz-Fonseca, V.L., I. Alves-dos-Santos, P. Souza Santos-Filho, W. Engels, M. Ramalho, W. Wilms, J.B Vicentin Aguilar, C.A. Pinheiro-Machado, D. Araújo Alves & A. Matos Peixoto Kleinert 2011. Checklist of bees and honey plants from São Paulo State, Brazil. Biota Neotropica 11 (1a):631-655. (distribution); Oliveira Lima & Silvestre, 2017Oliveira Lima, F.V. de & R. Silvestre 2017. Abelhas (Hymenoptera, Apidae sensu lato) do Estado de Mato Grosso do Sul, Brasil. Iheringia Série Zoologia 107 (supl.):1-14. (distribution).