Metaphycus pulvinariae (Howard, 1881) - Trjapitzin et al., 2008Trjapitzin, V.A., S.N. Myartseva, E. Ruíz-Cancino & J.M. Coronado-Blanco 2008. Claves de géneros de Encyrtidae (Hymenoptera: Chalcidoidea) de México y un catálogo de las especies. :1-260. (distribution); Ruíz-Cancino et al., 2010Ruíz-Cancino, E., D.R. Kasparyan, J.M. Coronado-Blanco, S.N. Myartseva, V.A. Trjapitzin, S.G. Hernández Aguilar & J. García Jiménez 2010. Himenópteros de la Reserva “El Cielo”, Tamaulipas, México. Dugesiana 17 (1):53-71. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution). - As Metaphycus pulvinaria: - González et al., 2015González, A., J.M. Coronado, F. Garcia, S.N. Myartseva, V. Ávila, E. Ruiz & A. Guzmán 2015. Hymenoptera parasitica de México. In: Arredondo Bernal H.C. & L.A. Rodríguez del Bosque (Ed.). Casos de control biológico en México. 29-63. (distribution).
Aphycus pulvinariae Howard, 1881:365, ♀. 3 ♀♀, Davenport, Iowa (leg. J. Duncan); 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.:388, Type (U.S.N.M., No. 2611); 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.:619, Type (U.S.N.M., No. 2611). - 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. (distribution).