Synergus estradae Pujade-Villar & Lobato-Vila, in Pujade-Villar et al., 2016:111, Holotype ♀, Carretera libre a Oaxtepec (Cuautla, MOR), 495277.71 E 2094283.76 N, 13.viii.2012 (Coll. Pujade-Villar, leg. E. Estrada-Venegas & A. Equhua-Martínez); Lobato-Vila et al., 2019Lobato-Vila, I., D. Cibrián-Tovar, U.M. Barrera-Rutz, A.Equihua-Martínez, E.G. Estrada-Vebegas, M.L. Buffington & J. Pujade-Villar 2019. Review of the Synergus Hartig species (Hymenoptera: Cynipidae: Synergini) associated with tuberous and other tumor-like galls on oaks from the New World with the description of three new species from Mexico. Proceedings of the Entomological Society of Washington 121 (2):193-255.:210, Holotype ♀ (UB, MEX-P017); Lobato-Vila & Pujade-Villar, 2021Lobato-Vila, I. & J. Pujade-Villar 2021. The genus Synergus Hartig (Hymenoptera: Cynipidae: Synergini) in the New World: a complete taxonomic revision with a key to species. Zootaxa 4906 (1):1-121.:53, Type material (UB). - Lobato-Vila & Pujade-Villar, 2018Lobato-Vila, I. & J. Pujade-Villar 2018. Estado actual del conocimiento de la diversidad de inquilinos de agallas de Cinípidos en encinos de México (Hymenoptera: Cynipidae). Entomología mexicana 5:435-443. (distribution); Lobato-Vila et al., 2019Lobato-Vila, I., D. Cibrián-Tovar, U.M. Barrera-Rutz, A.Equihua-Martínez, E.G. Estrada-Vebegas, M.L. Buffington & J. Pujade-Villar 2019. Review of the Synergus Hartig species (Hymenoptera: Cynipidae: Synergini) associated with tuberous and other tumor-like galls on oaks from the New World with the description of three new species from Mexico. Proceedings of the Entomological Society of Washington 121 (2):193-255. (distribution); Nastasi & Deans, 2021Nastasi, L.F. & A.R. Deans 2021. Catalogue of Rose Gall, Herb Gall, and Inquiline Gall Wasps (Hymenoptera: Cynipidae) of the United States, Canada and Mexico. Biodiversity Data Journal 9 (e68558):1-41. (distribution); Lobato-Vila & Pujade-Villar, 2021Lobato-Vila, I. & J. Pujade-Villar 2021. The genus Synergus Hartig (Hymenoptera: Cynipidae: Synergini) in the New World: a complete taxonomic revision with a key to species. Zootaxa 4906 (1):1-121. (distribution).