Leucospis Tapayosa Walker, 1862:21, ♀. ♀, Tapayos (British Museum, leg. Bates), Lectotype ♀, examined (BMNH), designated by Bouček, 1974Bouček, Z. 1974. A revision of the Leucospidae (Hymenoptera: Chalcidoidea) of the world. Bull. Brit. Mus (Nat. Hist.) Entomology Suppl. 23:1-241.:72; Rodrigues Lima & Guimarães Dias, 2018Rodrigues Lima, A. & P. Guimarães Dias 2018. The New World species of Leucospis Fabricius, 1775 (Hymenoptera, Chalcidoidea, Leucospidae): an update of Bouček’s revision with description of two new species from Brazil. Zootaxa 4441 (1):1-45.:25, Lectotype ♀ (BMNH). Synonymized with Leucospis egaia Walker, 1862 by Bouček, 1974Bouček, Z. 1974. A revision of the Leucospidae (Hymenoptera: Chalcidoidea) of the world. Bull. Brit. Mus (Nat. Hist.) Entomology Suppl. 23:1-241.:72. - Schletterer, 1890Schletterer, A. 1890. Die Gruppe der Hymenopteren-Gattungen Leucospis Fab., Polistomorpha Westw. und Marres Walk. Berliner Entomologische Zeitschrift 35 (2):141-302.:285 ( listed as synonym of Leucospis affinis Say, 1824); Rodrigues Lima & Guimarães Dias, 2018Rodrigues Lima, A. & P. Guimarães Dias 2018. The New World species of Leucospis Fabricius, 1775 (Hymenoptera, Chalcidoidea, Leucospidae): an update of Bouček’s revision with description of two new species from Brazil. Zootaxa 4441 (1):1-45.:25 ( listed as synonym of Leucospis egaia Walker, 1862).
Leucospis Egaia Walker, 1862:20, ♀. ♀, Ega (British Museum, leg. Bates), Lectotype ♀, examined (BMNH), designated by Bouček, 1974Bouček, Z. 1974. A revision of the Leucospidae (Hymenoptera: Chalcidoidea) of the world. Bull. Brit. Mus (Nat. Hist.) Entomology Suppl. 23:1-241.:72; Rodrigues Lima & Guimarães Dias, 2018Rodrigues Lima, A. & P. Guimarães Dias 2018. The New World species of Leucospis Fabricius, 1775 (Hymenoptera, Chalcidoidea, Leucospidae): an update of Bouček’s revision with description of two new species from Brazil. Zootaxa 4441 (1):1-45.:25, Lectotype ♀ (BMNH). - Ashmead, 1904Ashmead, W.H. 1904. Classification of the chalcid flies of the superfamily Chalcidoidea, with descriptions of new species in the Carnegie Museum, collected in South America. Mem. Carneg. Mus. 1 (4):i-xi, 225-551. (distribution); Weld, 1922Weld, C.J. 1922. Studies on chalcid-flies of the subfamily Leucospidinae, with descriptions of new species. Proceedings of the United States National Museum 61:1-40, 1 pl. (distribution); Bouček, 1974Bouček, Z. 1974. A revision of the Leucospidae (Hymenoptera: Chalcidoidea) of the world. Bull. Brit. Mus (Nat. Hist.) Entomology Suppl. 23:1-241. (distribution); Cooperband et al., 1999Cooperband, M.F., R.A. Wharton, G.W. Frankie & S. Bradleigh Vinson 1999. New host and distribution records for Leucospis (Hymenoptera: Leucospidae) associated primarily with nests of Centris (Hymenoptera: Anthophoridae) in the dry forests of Costa Rica. Journal of Hymenoptera Research 8 (2):154-164. (distribution), 163 (hosts [Centris bicornuta]); Ruíz et al., 2004Ruíz Cancino, E., J.M. Coronado Blanco, S.N. Myartseva & J.F. Luna Salas 2004. Adenda a Chalcidoidea (Hymenoptera). In: Bousquets, J.L., J.J. Morrone, O.Y. Ordóñez & I.V. Fernández (Ed.). Biodiversidad, Taxonomía y Biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento. Volumen IV. 725-734. (distribution); Pujade-Villar & Caicedo, 2010Pujade-Villar, J. & G. Caicedo 2010. Descripción de una nueva especie colombiana de Leucospidae: Leucospis vallicaucaensis n. sp. (Hymenoptera: Chalcidoidea). Dugesiana 17 (2):137-142. (distribution); Rodrigues Lima & Guimarães Dias, 2018Rodrigues Lima, A. & P. Guimarães Dias 2018. The New World species of Leucospis Fabricius, 1775 (Hymenoptera, Chalcidoidea, Leucospidae): an update of Bouček’s revision with description of two new species from Brazil. Zootaxa 4441 (1):1-45. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution). - As Leucospis egaja: - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution).