Torymus ventralis Howard, 1897:135, Huber, 1927Huber, L.L. 1927. A taxonomic and ecological review of the North American Chalcid-flies of the genus Callimome. Proceedings of the United States National Museum 70 (art. 14):1-114.:107, Type ♂, Grenada, West Indies (U.S.N.M., No. 6541, leg. H.H. Smith). - Howard, 1897Howard, L.O. 1897. On the Chalcididae of the islands of Grenada, B.W.I. Journal of the Linnean Society 26:129-178. (distribution); Ashmead, 1900Ashmead, W.H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Transactions of the Entomological Society of London pt. II:207-367. (distribution).
Torymus Howardii Dalla Torre, 1898:307, no descr. Replacement name for Torymus ventralis Howard, 1897 by Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:307. - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution). - As Dimeromicrus howardi: - As Torymus howardi: