Trigonalys scutellaris Cameron, 1897:267, ♂. ♂, Mexico, Omilteme in Guerrero, 8000 feet (leg. H.H. Smith); Carmean & Kimsey, 2007Carmean, D. & L. Kimsey 2007. Phylogenetic revision of the parasitoid wasp family Trigonalidae (Hymenoptera). 23:35-76.:61, Holotype ♂ (BMNH). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl. (distribution), 472 (listed); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution). - As Bareogonalos scutellaris: - Schulz, 1906Schulz, W.A. 1906. Alte Hymenopteren. Berliner Entomologische Zeitschrift 51:303-333.:304 (comb. nov.); Carmean & Kimsey, 2007Carmean, D. & L. Kimsey 2007. Phylogenetic revision of the parasitoid wasp family Trigonalidae (Hymenoptera). 23:35-76. (distribution). - As Trigonalos scutellaris: - Schulz, 1906Schulz, W.A. 1906. Alte Hymenopteren. Berliner Entomologische Zeitschrift 51:303-333. (distribution).
Trigonalys flavonotata Cameron, 1897:270, ♂. ♂, Mexico, Xucumanatlan in Guerrero, 7000 feet (leg. H.H. Smith); Schulz, 1906Schulz, W.A. 1906. Alte Hymenopteren. Berliner Entomologische Zeitschrift 51:303-333.:304, ♀, nicht ♂, wie der Autor angab; Carmean & Kimsey, 2007Carmean, D. & L. Kimsey 2007. Phylogenetic revision of the parasitoid wasp family Trigonalidae (Hymenoptera). 23:35-76.:61, Holotype ♀ (BMNH). Synonymized with Bareogonalos scutellaris (Cameron, 1897) by Schulz, 1906Schulz, W.A. 1906. Alte Hymenopteren. Berliner Entomologische Zeitschrift 51:303-333.:304 ('Trigonalos' scutellaris und flavonotata Cam. [..], sind die Geschlechter einundderselben Art). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl. (distribution), 472 (listed); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution); Carmean & Kimsey, 2007Carmean, D. & L. Kimsey 2007. Phylogenetic revision of the parasitoid wasp family Trigonalidae (Hymenoptera). 23:35-76.:61 ( listed as synonym of Bareogonalos scutellaris (Cameron, 1897)). - As Trigonalos flavonotata: - Schulz, 1906Schulz, W.A. 1906. Alte Hymenopteren. Berliner Entomologische Zeitschrift 51:303-333. (distribution).