Bicornelia sericata Friese, 1925:11, ♀. Holotype ♀, Guayaquil, Ecuador, April 1923 (leg. G. v. Buchwald), Lectotype ♀, examined (MNHU), designated by Urban & Moure, 2001Urban, D. & J.S. Moure 2001. Catálogo de Apoidea da Região Neotropical (Hymenoptera, Colletidae). II Diphaglossinae. Revista Brasileira de Entomologia 18 (1):1-34.:26; Gonzalez & Michener, 2004Gonzalez, V.H. & C.D. Michener 2004. Application of specific names and association of sexes in Cadegualina Michener (Hymenoptera: Colletidae: Diphalgossini). Proceedings of the Entomological Society of Washington 106 (4):851-857.:852, Holotype ♀ (MNHV). - Michener, 1986Michener, C.D. 1986. A review of the tribes Diphaglossini and Dissoglottini (Hymenoptera, Colletidae). The University of Kansas Science Bulletin 53 (4):183-214.:188 ( listed as synonym of Cadegualina andina (Friese, 1925)); Urban & Moure, 2001Urban, D. & J.S. Moure 2001. Catálogo de Apoidea da Região Neotropical (Hymenoptera, Colletidae). II Diphaglossinae. Revista Brasileira de Entomologia 18 (1):1-34.:26 ( listed as synonym of Cadegualina andina (Friese, 1925)). - As Cadegualina sericata: - Gonzalez & Michener, 2004Gonzalez, V.H. & C.D. Michener 2004. Application of specific names and association of sexes in Cadegualina Michener (Hymenoptera: Colletidae: Diphalgossini). Proceedings of the Entomological Society of Washington 106 (4):851-857. (distribution).