Pachyscapha insularis Howard, 1896:159, Hansson, 2015Hansson, C. 2015. Integrative taxonomy of New World Euplectrus Westwood (Hymenoptera, Eulophidae), with focus on 55 new species from Area de Conservación Guanacaste, northwestern Costa Rica. ZooKeys 485:1-236.:115, Lectotype ♂, examined (BMNH). - Howard, 1897Howard, L.O. 1897. On the Chalcididae of the islands of Grenada, B.W.I. Journal of the Linnean Society 26:129-178. (distribution); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); 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 Euplectrus insularis: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution); Molina-Ochoa et al., 2003Molina-Ochoa, J., J.E. Carpenter, E.A. Heinrichs & J.E. Foster 2003. Parasitoids and Parasites of Spodoptera frugiperda (Lepidoptera: Noctuidae) in the Americas and Caribbean Basin: An Inventory. The Florida Entomologist 86 (3):254-289. (distribution); González-Hernández, 2004González-Hernández, A. 2004. Actualización del catálogo de autoridades taxonómicas: Hymenoptera-Parasítica. Depto. de Zoología de Invertebrados. Facultad de Ciencias Biológicas, UANL. Base de datos SNIB-Conabio proyecto BE008. México. D.F. :. ( listed as synonym of Euplectrus furnius Walker, 1843); Hansson, 2015Hansson, C. 2015. Integrative taxonomy of New World Euplectrus Westwood (Hymenoptera, Eulophidae), with focus on 55 new species from Area de Conservación Guanacaste, northwestern Costa Rica. ZooKeys 485:1-236. (distribution); Halmenschlager & Köhler, 2019Halmenschlager, M.Y. & A. Köhler 2019. A brief review of the occurrence of Eulophinae (Hymenoptera: Eulophidae) for the Rio Grande do Sul state, with a key to the genera. Caderno de Pesquisa 30 (3):21-30. (distribution).