Megachile bruneri Mitchell, 1934:328, ♂. Holotype ♂, Fort Garland, Colorado, August 14 (Univ. Nebr., leg. L. Bruner); Mitchell, 1936Mitchell, T.B. 1936. A revision of the genus Megachile in the Nearctic Region. Part V. Taxonomy of subgenus Xeromegachile (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 62 (4):323-382.:369, Type ♂ (Univ. Nebr.); Muma, 1952Muma, M.H. 1952. Insect types in the collections of the University of Nebraska State Museum. Bulletin of the University of Nebraska State Museum 3 (8):1-35.:19, Type ♂ (University of Nebraska State Museum). - 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); Raw, 2002Raw, A. 2002. New combinations and synonymies of leafcutter and mason bees of the Americas (Megachile, Hymenoptera, Megachilidae). Zootaxa 71:1-43. (distribution); Esperanza de Pedro, 2021Esperanza de Pedro, D. 2021. . :. (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).