Andrena rudbeckiƦ Robertson, 1891:56, ♂♀. 11 ♀♀, 1 ♂, Carlinville, Ill., June 12th to 23d (leg. Robertson); LaBerge, 1967LaBerge, W.E. 1967. A revision of the bees of the genus Andrena of the Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae). Bul. Nebr. Univ. State Mus. 7:1-323.:93, Lectoallotype ♀ (Illinois Natural History Survey, Urbana, Illinois), Lectotype ♂ (Illinois Natural History Survey, Urbana, Illinois), designated by LaBerge, 1967LaBerge, W.E. 1967. A revision of the bees of the genus Andrena of the Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae). Bul. Nebr. Univ. State Mus. 7:1-323.:93. - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538. (distribution); LaBerge, 1967LaBerge, W.E. 1967. A revision of the bees of the genus Andrena of the Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae). Bul. Nebr. Univ. State Mus. 7:1-323. (distribution); 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); Owens et al., 2018Owens, B.E., L. Allain, E.C. van Gorder, J.L. Bossart & C.E. Carlton 2018. The bees (Hymenoptera: Apoidea) of Louisiana: An updated, annotated checklist. Proceedings of the Entomological Society of Washington 120 (2):272-307. (distribution).