Dianthidium robertsoni Cockerell, 1904:4, sex not indicated.Rock Creek and Los Angeles (leg. Dr. Davidson); Cockerell, 1915Cockerell, T.D.A. 1915. Names applied to the North American bees of the genera Lithurgus, Anthidium, and allies. Proceedings of the United States National Museum 47:87-94.:92, Type (U.S.N.M., No. 9654). - Cockerell, 1915Cockerell, T.D.A. 1915. Names applied to the North American bees of the genera Lithurgus, Anthidium, and allies. Proceedings of the United States National Museum 47:87-94. (distribution). - As Anthidiellum notatum robertsoni: - 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); Yáñez-Ordóñez & Hinojosa-Díaz, 2004Yáñez-Ordóñez, O. & I. Hinojosa-Díaz 2004. La colección himenopterológica (Insecta) del Museo de Zoología Alfonso L. Herrera de la Facultad de Ciencias, UNAM, México. Acta Zoológica Mexicana (nueva serie) 20 (1):167-197. (distribution). - As Anthidiellum robertsoni: - Schwarz, 1933Schwarz, H.F. 1933. Some neotropical Anthidiinae: Paranthidium, Anthidiellum, and Hypanthidium. American Museum Novitates 625:1-9. (distribution).
Anthidium robertsoni citrinellum Cockerell, 1925:362, ♂. Holotype ♂, Huntington Lake, Fresno Co., California, at 7000 ft, July 17, 1919 (Mus. Calif. Acad. Sci., No. 1744, leg. E.P. Van Duzee). - 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.:1999 ( listed as synonym of Anthidiellum notatum robertsoni (Cockerell, 1904)).