Bicornelia serrata Friese, 1899:240, ♂. 2 ♂♂, Mexico, 1871 (Mus. Wien, leg. Bilimek); 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.:209, Holotype ♂, should be in Berlin, but according to Dr. Frank Koch, cannot be found; 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.:28, 2 Syntypes ♂ (Naturhistorisches Museum, Wien). - Friese, 1925Friese, H. 1925. Neue neotropische Bienenarten, zugleich II. Nachtrag zur Bienenfauna von Costa Rica (Hym.). Stettiner Entomologische Zeitung 86 (2):1-41. (distribution); Snelling, 1980Snelling, R.R. 1980. The bee genus Bicornelia (Hymenoptera: Colletidae). Contributions in Science, Natural History Museum Los Angeles County 327:1-6. (distribution); 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. (distribution), 28 (comb. restaur.). - As Mydrosoma serratum: - 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. (distribution), 209 (comb. nov.); Ayala, 1988Ayala, R. 1988. Abejas silvestres (Hymenoptera: Apoidea) de Chamela, Jalisco, México. Folia Entomológica Mexicana 77:395-493. (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).