Tridryinus gibbosus Olmi, 1984:969, Olmi & Virla, 2014Olmi, M. & Virla, E.G. 2014. Dryinidae of the Neotropical region (Hymenoptera: Chrysidoidea). Zootaxa 3792 (1):1-534.:261, Holotype ♀ (BMNH). - Olmi, 1991Olmi, M. 1991. Supplement to the revision of the world Dryinidae (Hymenoptera, Chrysidoidea). Frustula Entomologica, N.S. 12 (25):109-395. (distribution). - As Dryinus gibbosus: - Olmi et al., 2000Olmi, M., Virla, E.G. & Fernández, F. 2000. Las avispas Dryinidae de la región Neotropical (Hymenoptera: Chrysidoidea). Biota Colombiana 1 (2):141-163. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Schüepp & Olmi, 2012Schüepp, C. & Olmi, M. 2012. Catalogue of the Dryinidae and Sclerogibbidae (Hymenoptera: Chrysidoidea) of Belize, with description of two new species. Zootaxa 3346:51-63. (distribution); Cambra et al., 2012Cambra, R.A., M. Olmi, M.A. Zambrano & Y. del C. Campos 2012. Diversidad de Dryinidae (Hymenoptera) para Panamá, en especial las del Parque Nacional Darién. Scientia (Panamá) 22 (1):33-43. (distribution); Olmi & Virla, 2014Olmi, M. & Virla, E.G. 2014. Dryinidae of the Neotropical region (Hymenoptera: Chrysidoidea). Zootaxa 3792 (1):1-534. (distribution).
Dryinus multicarinatus Coelho, Aguiar & Engel, 2011:11, Olmi & Virla, 2014Olmi, M. & Virla, E.G. 2014. Dryinidae of the Neotropical region (Hymenoptera: Chrysidoidea). Zootaxa 3792 (1):1-534.:261, Holotype ♀ (MPEG). Synonymized with Dryinus gibbosus (Olmi, 1984) by Olmi & Virla, 2014Olmi, M. & Virla, E.G. 2014. Dryinidae of the Neotropical region (Hymenoptera: Chrysidoidea). Zootaxa 3792 (1):1-534.:260.