Blastophaga insularis Ashmead, 1900:251, ♀. 16 ♀♀, St. Vincent (leg. H. Smith). - 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); Wolcott, 1948Wolcott, G.N. 1948. The insects of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico 32 (4):749-975. (distribution). - As Pegoscapus insularis: - Wiebes, 1995Wiebes, J.T. 1995. Agaonidae (Hymenoptera Chalcidoidea) and Ficus (Moraceae) fig wasps and their figs, xv (Meso-American Pegoscapus). Proc. Kon. Ned. Akad. Wet. (C) 98 (2):167-183. (distribution); 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); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).
Blastophaga standleyi Ramírez, 1970:26, ♂♀. Holotype ♀, La Virgen, Heredia, Costa Rica, May 31, 1964 (U.S. National Museum, slides 1045-1046). Synonymized with Pegoscapus insularis (Ashmead, 1900) by Wiebes, 1995Wiebes, J.T. 1995. Agaonidae (Hymenoptera Chalcidoidea) and Ficus (Moraceae) fig wasps and their figs, xv (Meso-American Pegoscapus). Proc. Kon. Ned. Akad. Wet. (C) 98 (2):167-183.:180. - As Pegoscapus standleyi: