Cyrtosia, Perris, 1839

Hakimian, Saeedeh, Nozari, Jamasb, Gharali, Babak & Evenhuis, Neal, 2018, A study of the genus Cyrtosia Perris (Diptera: Mythicomyiidae: Platypyginae) in Yazd province, Iran, with description of a new species, Zootaxa 4387 (1), pp. 195-200 : 196

Key to species of the genus Cyrtosia known from Iran

1 Mesonotum yellow with three black longitudinal stripes, prescutellar area yellow................ Cyrtosia trivitta sp. nov.

- Mesonotum uniformly and coalesced black on disk, prescutellar area black........................................ 2

2 Frons yellow, at most with small black spot medially......................................................... 3

- Frons mostly black or with broad black stripe medially........................................................ 4

3 Scutellum mostly yellow............................................................. C. meridionalis Rondani

- Scutellum completely matte black................................................ C. persica Gharali & Evenhuis

4 Halter knob with large brown spot dorsally.................................. C. bispermatheca Gharali & Evenhuis ,

- Halter knob completely yellow........................................................................... 5

5 Frons almost all black, at most ventral margin narrowly yellow................................................. 6

- Frons yellow with black stripe medially........................................ C. baccadomus Gharali & Evenhuis

6 Scutellum completely black, gray dusted....................................................... C. pusilla Loew

- Scutellum black with yellow along posterior margin................................. C. zieglerii Gharali & Evenhuis