Joppa elegantula Cresson, 1868:32, ♂. 3 ♂♂, Hacienda del Potrero, near Cordova, Mexico (Sumichrast, No. 15, leg. Prof. F. Sumichrast). - Cresson, 1868Cresson, E.T. 1868. A list of Ichneumonidae of North America, with descriptions of new species. Part II. Transactions of the American Entomological Society 2:89-114. (distribution); Cresson, 1873Cresson, E.T. 1873. Descriptions of Mexican Ichneumonidae. Proceedings of the Academy of Natural Sciences of Philadelphia 25:104-176. (distribution); 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), 194 (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); Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167. (distribution); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898. (distribution); Ruíz-Cancino et al., 2002Ruíz-Cancino, E., D.R. Kasparyan & J.M. Coronado Blanco 2002. Ichneumonidae. In: Llorente Bousquets, J. & J.J. Morrone (Ed.). Biodiversidad, taxonomía y biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento, volumen III. 631-646. (distribution). - As Microjoppa elegantula: - Kriechbaumer, 1898Kriechbaumer, J. 1898. Die Gattung Joppa. Entomologische Nachrichten 24 (1/2):1-36. (distribution); Szépligeti, 1900Szépligeti, Gy. 1900. Joppinen des Ungarischen National-Museums. Termeszetrajzi Füzetek 23:277-290. (distribution).
Joppa varipes Cameron, 1884:104, sex not indicated.Panama, Volcan de Chiriqui, 2500-6000 feet (leg. Champion); Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167.:33, Type ♀ (British Museum). - 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), 193 (listed); Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167.:33 ( listed as synonym of Joppa elegantula Cresson, 1868). - As Joppa variipes: - 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 Microjoppa varipes: - Kriechbaumer, 1898Kriechbaumer, J. 1898. Die Gattung Joppa. Entomologische Nachrichten 24 (1/2):1-36. (distribution).
Joppa semihyalina Szépligeti, 1900:282, ♂.Brasilien: Obidos (Ungarische National Museum). Synonymized with Joppa elegantula Cresson, 1868 by Morley, 1915Morley, C. 1915. A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species. Part IV: Tribes Joppides, Banchides and Alomyides. British Museum, London, England. 1-167.:33. - Szépligeti, 1903Szépligeti, V. 1903. Neue Joppinen aus der Sammlung des Ungarischen National-Museums. Annales Musei Nationalis Hungarici 1:477-483. (distribution).