Genus Spazigaster Rondani
Spazigaster Rondani, 1843: 43 . Type, apennini Rondani by monotypy = ambulans Fabricius.
Spazogaster Agassiz, 1846: 345. Emendation of Spazigaster Rondani.
Syrphisoma Costa, 1857: 440 . Type, lugubris Costa by original designation = ambulans Fabricius.
Spatigaster Schiner, 1861: 298. Emendation of Spazigaster Rondani.
Spathegaster Schiner, 1868: 339 . Misspelling of Spazigaster Rondani.
Spathiogaster Loew, 1876: 18 . Emendation of Spazigaster Rondani.
Spathidogaster Loew, 1876: 18. Emendation of Spazigaster Rondani.
Spaziogaster Scudder, 1882: 292. Misspelling of Spazigaster Rondani.
Spazogaster Scudder, 1882: 310. Emendation of Spazigaster Rondani.
Sparzigaster Woodworth, 1913: 145. Misspelling of Spazigaster Rondani.
Palaearctic region only (2 species). Habitus figure of the type species is given by Speight & Lucas (1992) .