Domodon, Reemer, 2013

Carvalho-Filho, Fernando Da Silva, Martins, Marlúcia Bonifácio, Souza, Matheus Tavares De & Reemer, Menno, 2019, Revision of the Neotropical genus Domodon Reemer (Diptera: Syrphidae), with description of three new species, Zootaxa 4648 (3), pp. 523-536 : 534-535

Key to adults of Domodon species

1 Tergite 4 largely or entirely black or dark brown ( Figs 1, 6, 19). Other tergites also partly dark ( Figs 1, 6, 19). Vertex entirely black or dark brown, with or without metallic hue ( Figs 3, 7, 18)................................................ 2

- Tergites entirely yellowish brown, although differences in length, arrangement and colour of the pile create the impression of a pattern of vaguely delimited dark median and lateral maculae on the tergites ( Fig. 10). Vertex largely yellowish brown with some small dark brown markings ( Figs 12–14)............................................. D. inaculeatus sp. nov.

2 Antenna with basoflagellomere approximately as long as scape ( Fig. 4). Tergite 3 partly yellowish, at least along posterior margin ( Figs 1, 24, 27)................................................................................. 3

- Antenna with basoflagellomere more than three times as long as scape ( Fig. 17). Tergite 3 entirely blackish ( Figs 19, 26)....................................................................................... D. sensibilis sp. nov.

3 Face pale yellow without black vitta. Femora brownish with pale yellow tip............... D. peperpotensis Reemer, 2014

- Face pale yellow with brown median vitta ( Figs 3, 7). Femora entirely brownish, without yellow marks................. 4

4 Yellow markings along posterior margin of tergite confined to posterior half of tergite ( Figs 1, 24). Surstylus dorsally with a row of short pointed setae ( Fig. 20)....................................................... D. caxiuana sp. nov.

- Yellow markings along posterior margin of tergite 3 medially connected with yellow markings along anterior margin of tergite ( Fig. 27). Surstylus dorsally without a row of short pointed setae ( Fig. 23).................... D. zodiacus Reemer, 2013