Urogaster leucopus Ashmead, 1900:287, ♀. 4 ♀♀, St. Vincent; 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.:510, Cotype (National Museum); 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.:510, Cotypes (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.:231, Holotype ♀ (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.:158, 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 leucopus: - 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); 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).