Trypoxylon apicipenne Cameron, 1889:44,Mexico, Temax in North Yucatan (leg. Gaumer); Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:84, Holotype ♀, examined (BMNH, Hym. 21.472). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:44 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution); Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147. (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); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Vanoye-Eligio et al., 2014Vanoye-Eligio, M., V. Meléndez-Ramírez, R. Ayala, J. Navarro & H. Delfin-González 2014. Predatory Wasps (Hymenoptera) of the Yucatan Peninsula. Southwestern Entomoloigst 39 (3):635-646. (distribution); Vanoye-Eligio et al., 2015Vanoye-Eligio, M., V. Meléndez-Ramírez, R. Ayala, J. Navarro-Alberto & H. Delfín-González 2015. Avispas depredadoras de áreas naturales protegidas del estado de Yucatán, México. Revista Mexicana de Biodiversidad 86:989-997. (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).
Trypoxylon bicalcaratum Richards, 1934:235, Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:84, Holotype ♂ (NMNH, No. 50908). Synonymized with Trypoxylon apicipenne Cameron, 1889 by Coville, 1982Coville, R.E. 1982. Wasps of the genus Trypoxylon, subgenus Trypargilum in North America (Hymenoptera: Sphecidae). University of California Press, 1-147.:83. - As Trypargilum bicalcaratum: - 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), 1645 (comb. nov.).