Tachytes inconspicuus Kirby, 1890:540, Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211.:193, Lectotype ♀ (BMNH). - As Tachysphex inconspicuus: - Pulawski, 1974Pulawski, W.J. 1974. A revision of the Neotropical Tachysphex Kohl (Hym., Sphecidae)- Neotropikalne gatunki rodzaju Tachysphex (Hym. Sphecidae). Polskie Pismo Entomologiczne 44:3-102. (distribution); Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211. (distribution); Callan, 1990Callan, E.Mc C. 1990. Mutillidae of Trinidad. Sphecos 19:21-22. (distribution); Callan, 1991Callan, E.Mc C. 1991. Sphecidae of Trinidad. II. Larrinae. Sphecos 21:8. (distribution); 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); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Silvestre et al., 2014Silvestre, R., M.F. Demétrio, B.M. Trad, F. Varussa & O. Lima 2014. Diversity and distribution of Hymenoptera Aculeata in Midwestern Brazilian dry forests. In: Greer, F.E. (Ed.). Dry Forests. 29-80. (distribution).
Tachytes blatticidus Williams, 1941:197, Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211.:193, Holotype ♀ (BMNH). - 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.:35 ( listed as synonym of Tachysphex inconspicuus (Kirby, 1890)). - As Tachysphex blatticidus: - Callan, 1950Callan, E.Mc C. 1950. Observations on tropical wasps in Trinidad. Eighth International Congress of Entomology. Stockholm :204-206. (distribution); Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211.:193 ( listed as synonym of Tachysphex inconspicuus (Kirby, 1890)).