GENUS SIMOSYRPHUS Bigot

SIMOSYRPHUS Bigot 1882: 79 . Type-species: Syrphus grandicornis Macquart, 1842, by designation of Hull, 1949a: 291.

grandicornis Macquart, 1842: 96 (Syrphus) . Australia, widespread Oceania. obesus Hutton, 1901: 41 (Syrphus) [Preoccupied by Fabricius, 1775.] huttoni Goot, 1964: 220 ( Syrphus, new name for obesus Hutton).

viridiceps (misidentification) of Miller 1921: 307, pl. 48, fig. 4.

Two female syntypes of obesus Hutton were examined and are specimens of grandicornis Macquart.

There has been much confusion about " Syrphus viridiceps " of various authors, but not Macquart. Syrphus viridiceps Macquart is a species of Austrosyrphus that is endemic to Australia. The species called " viridiceps " by many authors is grandicornis Macquart.