Townsendiella pulchra Crawford, 1916:138, Orr & Griswold, 2015Orr, M.C. & T. Griswold 2015. A review of the cleptoparasitic bee genus Townsendiella (Apidae, Nomadinae, Townsendiellini), with the description of a new species from Pinnacles National Park. ZooKeys 546:87-104.:98, Holotype ♀ (USNM, #20831). - Linsley, 1943Linsley, E.G. 1943. Revisions of the genera Townsendiella, Triopasites, and Paranomada (Hymenoptera: Nomadidae). Transactions of the American Entomological Society 69:93-106. (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); Orr & Griswold, 2015Orr, M.C. & T. Griswold 2015. A review of the cleptoparasitic bee genus Townsendiella (Apidae, Nomadinae, Townsendiellini), with the description of a new species from Pinnacles National Park. ZooKeys 546:87-104. (distribution); Bossert et al., 2020Bossert, S., R.S. Copeland, T.J.L. Sless, M.G. Branstetter, J.P. Gillung, S.G. Brady, B.N. Danforth, J. Policarová & J. Straka 2020. Phylogenomic and morphological reevaluation of the bee tribes Biastini, Neolarrini, and Townsendiellini (Hymenoptera: Apidae) with description of three new species of Schwarzia. Insect Systematics and Diversity 4 (6):1-29. (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).