New information is provided on the galling fauna from oaks in Santa Fe (Cuajimalpa (Mexico City) obtained from collections on Quercus laeta Liebmann, 1854 and Q. rugosa Née, 1801 (section Quercus), Q. crassipes Humboldt and Bonpland, 1809 and Q. calophylla Schlechtendal and Chamisso, 1830 (section Lobatae). Seven species are cited for the first time: Andricus fusciformis Pujade-Villar, 2014 and A. guanajuatensis Pujade-Villar, 2013; Femuros lusum Kinsey, 1937 and F. repandae Kinsey, 1937; Kokkocynips doctorrosae Pujade-Villar and Melika, 2013; Loxaulus hyalinus Pujade-Villar and Melika, 2014 and Neuroterus fusifex Pujade-Villar, 2016. Of the 12 species originally described from Santa Fe, nine of them are only known in this studied area: Amphibolips cibriani Pujade-Villar, 2011, Andricus breviramuli Pujade-Villar, 2014, A. rochai Pujade-Villar, 2018, A. santafe Pujade-Villar, 2013, Disholcaspis crystalae Pujade-Villar, 2018, Loxaulus laeta Pujade-Villar, 2014, Neuroterus eugeros Pujade-Villar, 2018, N. verrucum Pujade Villar, 2014 and Zapatella polytryposa Pujade-Villar and Fernández-Garzón, 2020. New hosts are provided for some of the mentioned species. Some galls are shown that could constitute species yet to be described. Of all mentioned species, the gall is described and illustrated, and aspects of its biology, hosts and distribution are commented.
