Pseudomethoca vanduzei Bradley, 1916:321, ♂. Holotype ♂, Clearwater, Florida, April 29, 1908 (American Museum of Natural History, leg. E.P. VanDuzee). - Mickel, 1925Mickel, C.E. 1925. A revision of the mutillid wasps of the genera Myrmilloides and Pseudomethoca occuring in America North of Mexico. Proceedings of the United States National Museum 64 (15):1-52. (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); Hertz, 2007Hertz, J.C. 2007. Velvet Ants, Mutillidae (Insecta: Hymenoptera). :1-11. (distribution). - As Pseudomethoca vanduzeei: - Krombein, 1950Krombein, K.V. 1950. An annotated list of wasps from Nags Head and the Kill Devil Hills (Hymenoptera Aculeata). Journal of the Elisha Mitchell Scientific Society 65:262-272. (distribution); Krombein, 1963Krombein, K.V. 1963. Natural history of Plummers Island, Maryland. XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-280. (distribution); Pagliano et al., 2020Pagliano G., D.J. Brothers, R. Cambra, A.S. Lelej, P. Lo Cascio, M.M. Palmerini, P.L. Scaramozzino, K.A. Williams & M. Romano 2020. Checklist of names in Mutillidae (Hymenoptera), with illustrations of selected species. Bolletino del Museo Regionale di Scienze naturali Torino 36 (1-2):5-425. (distribution). - As Pseudomethoca vanduzeei: - Krombein, 1950Krombein, K.V. 1950. An annotated list of wasps from Nags Head and the Kill Devil Hills (Hymenoptera Aculeata). Journal of the Elisha Mitchell Scientific Society 65:262-272. (distribution); Krombein, 1963Krombein, K.V. 1963. Natural history of Plummers Island, Maryland. XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-280. (distribution); Pagliano et al., 2020Pagliano G., D.J. Brothers, R. Cambra, A.S. Lelej, P. Lo Cascio, M.M. Palmerini, P.L. Scaramozzino, K.A. Williams & M. Romano 2020. Checklist of names in Mutillidae (Hymenoptera), with illustrations of selected species. Bolletino del Museo Regionale di Scienze naturali Torino 36 (1-2):5-425. (distribution).
Pseudomethoca fattigi Mickel, 1938:147 - 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.:1304 ( listed as synonym of Pseudomethoca vanduzei Bradley, 1916); Pagliano et al., 2020Pagliano G., D.J. Brothers, R. Cambra, A.S. Lelej, P. Lo Cascio, M.M. Palmerini, P.L. Scaramozzino, K.A. Williams & M. Romano 2020. Checklist of names in Mutillidae (Hymenoptera), with illustrations of selected species. Bolletino del Museo Regionale di Scienze naturali Torino 36 (1-2):5-425.:113 ( listed as synonym of Pseudomethoca vanduzeei Bradley, 1916).