Genus Chalcosyrphus Curran Chalcosyrphus Curran, 1925:122 (Proposed as a subg. of Chalcomyia). Type species, atra Curran (orig. des.) = Chalcomyia despressa Shannon. Refs.: Curran, 1941 (key); Thompson, 1972:157–158 (desc, synonms); Thompson, 1975:292 (status notes); Thompson et al. 1976:114 (cat.); Thompson, 1999a:336 (key). Subg. Xylotomina Shannon, 1926:7. Type species, Xylota vecors Osten Sacken (orgi. des.). As first revisor, Thompson (1975) select Xylotomina as senior to Xylotodes. Planes Rondani, 1863:9 (preocc. Bowditch, 1825; Saussure, 1862). Type species, Xylota vagans Wiedemann (mon.). Xylotodes Shannon, 1926:7. Type species, Brachypalpus inarmatus Hunter (orgi. des.). Neplas Porter, 1927b:96 (nom. nov. for Planes Rondani). Type species, Xylota vagans Wiedmann (aut.). Cheiroxylota Hull, 1949:361. Type species, Xylota dimidiate Brunetti (orgi. des.).

Published as part of Montoya, Augusto L., 2016, FAMILY SYRPHIDAE, pp. 457-537 in Zootaxa 4122 (1) on page 502, DOI: 10.11646/zootaxa.4122.1.39, http://zenodo.org/record/259323