Aphycus amœnus Howard, 1897:150, Ashmead, 1900Ashmead, W.H. 1900. On the genera of the Chalcidid-flies belonging to the subfamily Encyrtidae. Proceedings of the United States National Museum 22:323-412.:384, Type ♂ (British Museum); Timberlake, 1916Timberlake, P.H. 1916. Revison of the parasitic hymenopterous insects of the genus Aphycus Mayr, with notice of some related genera. Proceedings of the United States National Museum 50:561-640, 5 pls.:638, Holotype ♂ (British Museum). - 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). - As Metaphycus amoenus: - Trjapitzin et al., 2004Trjapitzin, V.A., Bennett, F.D., Cancino, E.R. & Coronado Blanco, J.M. 2004. Annotated check-list of Encyrtids (Hymenoptera: Chalcidoidea: Encyrtidae) of Central America, The West Indies and Bermuda. México. 1-205. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).