The monophyly of Geometrinae is strongly supported, but the number of tribes included in this subfamily is still unclear. Sihvonen et al. (2011) analyzed 27 species assigned to 11 tribes, followed by Ban et al. (2018) with 116 species in 12 tribes. Ban et al. (2018) synonymized nine tribes, and validated the monophyly of 12 tribes, with two new tribes Ornithospilini and Agathiini being the first two clades branching off the main lineage of Geometrinae. Our study (168 species) validates the monophyly of 13 tribes, eleven of which were defined in previous studies: Hemitheini, Dysphaniini, Pseudoterpnini s.str., Ornithospilini, Agathiini, Aracimini, Neohipparchini, Timandromorphini, Geometrini, Comibaeini, Nemoriini. One synonymization is proposed: Synchlorini Ferguson, 1969 syn. nov. is synonymized with Nemoriini Gumppenberg, 1887. One tribe is proposed as new: Chlorodontoperini trib. nov., and one tribe (Archaeobalbini Viidalepp, 1981, stat. rev.) is raised from synonymy with Pseudoterpnini.

Ban et al. (2018) found that Ornithospila Warren, 1894 is sister to the rest of Geometrinae, and Agathia Guenée, 1858 is sister to the rest of Geometrinae minus Ornithospila. Although weakly supported, our results (with more species of Agathia sampled) placed Ornisthospilini+Agathiini together and these tribes are the sister to the rest of Geometrinae. Chlorodontopera is placed as an isolated lineage as shown by Ban et al. (2018). Given that Chlorodontopera clearly forms an independent and well-supported lineage we propose the description of a new tribe Chlorodontoperini.