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.).