Mexican species of the ichneumonid subfamilies Acaenitinae, Poemeniinae and Xoridinae are reviewed. The following genera are recorded here from Mexico: Arotes Gravenhorst, 1829 (one species) and Coleocentrus Gravenhorst, 1829 (one species) in Acaenitinae; Ganodes Townes, 1957 (one species), Podoschistus Townes, 1957 (one species), Poemenia Holmgren, 1859 (one species) and Rodrigama Gauld, 1991 (one species) in Poemeniinae; and Aplomerus Provancher, 1886 (one species), Odontocolon Cushman, 1942 (one species) and Xorides Latreille, 1809 (five species) in Xoridinae. One species, Coleocentrus clebschi Khalaim, sp. nov., is described as a new to science. The tribes Coleocentrini and Rodrigamini, the genera Coleocentrus, Podoschistus, Poemenia and Rodrigama, and the species Podoschistus vittifrons (Cresson, 1968), Rodrigama gamezi Gauld, 1991 and Aplomerus buprestivorus Rohwer, 1920 are recorded from Mexico for the first time. The taxonomic status of Ganodes mexicanus Díaz, 2008 is discussed.