Urogaster balthazari Ashmead, 1900:284, ♀. Holotype ♀, Grenada - Balthazar; Muesebeck, 1921Muesebeck, C.F.W. 1921. A revision of the North American species of Ichneumon-flies belonging to the genus Apanteles. Proceedings of the United States National Museum 58:483-576.:507, Type (British Museum); Fernández-Triana et al., 2014Fernández-Triana, J.L., J.B. Whitfield, J.J. Rodriguez, M.A. Smith, D.H. Janzen, W.D. Hallwachs, M. Hajibabaei, J.M. Burns, M.A. Solis, J. Brown, S. Cardinal, H. Goulet & P.D.N. Hebert 2014. Review of Apanteles sensu stricto (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservación Guanacaste, northwestern Costa Rica, with keys to all described species from Mesoamerica. ZooKeys 383:1-565.:106, Holotype ♀, St. Vincent, Lesser Antilles (BMNH); Fernández et al., 2020Fernández-Triana, J.L., M.R. Shaw, C. Boudreault, M. Beaudin & G.R. Broad 2020. Annotated and illustrated world checklist of Microgastrinae parasitoid wasps (Hymenoptera, Braconidae). ZooKeys 920:1-1089.:91, Holotype ♀, examined (NHMUK). - 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). - As Apanteles balthazari: - Muesebeck, 1921Muesebeck, C.F.W. 1921. A revision of the North American species of Ichneumon-flies belonging to the genus Apanteles. Proceedings of the United States National Museum 58:483-576. (distribution); Muesebeck, 1958Muesebeck, C.F.W. 1958. New Neotropical wasps of the family Braconidae (Hymenoptera) in the U.S. National Museum. Proceedings of the United States National Museum 107 (3389):405-461. (distribution); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (distribution); Zayas, 1982Zayas, F. de 1982. Sección Oligoneoptera - Orden Hymenoptera - Orden Strepsiptera. Editorial Científico-Técnica, Ciudad de la Habana. 1-111. (distribution); Fernández-Triana et al., 2014Fernández-Triana, J.L., J.B. Whitfield, J.J. Rodriguez, M.A. Smith, D.H. Janzen, W.D. Hallwachs, M. Hajibabaei, J.M. Burns, M.A. Solis, J. Brown, S. Cardinal, H. Goulet & P.D.N. Hebert 2014. Review of Apanteles sensu stricto (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservación Guanacaste, northwestern Costa Rica, with keys to all described species from Mesoamerica. ZooKeys 383:1-565. (distribution); Fernández et al., 2020Fernández-Triana, J.L., M.R. Shaw, C. Boudreault, M. Beaudin & G.R. Broad 2020. Annotated and illustrated world checklist of Microgastrinae parasitoid wasps (Hymenoptera, Braconidae). ZooKeys 920:1-1089. (distribution).
Urogaster meridionalis Ashmead, 1900:285, ♂♀. 1 ♂, 3 ♀♀, St. Vincent; Grenada; Muesebeck, 1921Muesebeck, C.F.W. 1921. A revision of the North American species of Ichneumon-flies belonging to the genus Apanteles. Proceedings of the United States National Museum 58:483-576.:514, 1 Cotype (National Collection); Muesebeck, 1921Muesebeck, C.F.W. 1921. A revision of the North American species of Ichneumon-flies belonging to the genus Apanteles. Proceedings of the United States National Museum 58:483-576.:514, 1 Cotype (British Museum). Synonymized with Apanteles balthazari (Ashmead, 1900) by Muesebeck, 1958Muesebeck, C.F.W. 1958. New Neotropical wasps of the family Braconidae (Hymenoptera) in the U.S. National Museum. Proceedings of the United States National Museum 107 (3389):405-461.:431. - 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); Fernández-Triana et al., 2014Fernández-Triana, J.L., J.B. Whitfield, J.J. Rodriguez, M.A. Smith, D.H. Janzen, W.D. Hallwachs, M. Hajibabaei, J.M. Burns, M.A. Solis, J. Brown, S. Cardinal, H. Goulet & P.D.N. Hebert 2014. Review of Apanteles sensu stricto (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservación Guanacaste, northwestern Costa Rica, with keys to all described species from Mesoamerica. ZooKeys 383:1-565.:106 ( listed as synonym of Apanteles balthazari (Ashmead, 1900)); Fernández et al., 2020Fernández-Triana, J.L., M.R. Shaw, C. Boudreault, M. Beaudin & G.R. Broad 2020. Annotated and illustrated world checklist of Microgastrinae parasitoid wasps (Hymenoptera, Braconidae). ZooKeys 920:1-1089.:91 ( listed as synonym of Apanteles balthazari (Ashmead, 1900)). - As Apanteles meridionalis: - Muesebeck, 1921Muesebeck, C.F.W. 1921. A revision of the North American species of Ichneumon-flies belonging to the genus Apanteles. Proceedings of the United States National Museum 58:483-576. (distribution).