Tachytes rhododactilus Taschenberg, 1870:13, Lectotype ♀ (Martin-Luther Universität, Halle), designated by Bohart, 1979Bohart, R.M. 1979. Tachytes of South America (Hymenoptera, Sphecidae, Larrinae). Transactions of the American Entomological Society 104:435-505.:479. - Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution). - As Tachytes rhododactylus: - Bohart, 1979Bohart, R.M. 1979. Tachytes of South America (Hymenoptera, Sphecidae, Larrinae). Transactions of the American Entomological Society 104:435-505. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution).
Tachytes callosa Kohl, 1892:218, Bohart, 1979Bohart, R.M. 1979. Tachytes of South America (Hymenoptera, Sphecidae, Larrinae). Transactions of the American Entomological Society 104:435-505.:479, Holotpye ♀ (Naturhistorische Museum Wien, Vienna, Austria). - Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:38 ( listed as synonym of Tachytes rhododactilus Taschenberg, 1870). - As Tachytes callosus: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution).