| VIF position | normal |
| VIF position | VFO adjacent |
| SPS vesicles | absent |
| SPS vesicles | present |
| Palpal setae length | long |
| Palpal setae length | short |
| Labellum spinosity | spinose |
| Labellum spinosity | not spinose |
| Anepisternal setae | hairs only |
| Anepisternal setae | hairs + bristles |
| Anepisternal setae | bare |
| Notopleural cleft | present |
| Notopleural cleft | absent |
| Scutellar setae | 4 /= |
| NP setae | >3 |
| NP setae | two |
| Scutellar setae | 2+2 |
| Scutellar setae | 4 = |
| NP setae | three |
| ts1 palisade | segments 1-5 |
| ts1 palisade | segments 1-4 |
| t3 comb bifurcate | absent |
| t3 comb bifurcate | present |
| t3 setulae | PD+AD |
| t3 setulae | PD |
| f3 basal setae | B=AV |
| f3 basal setae | B>AV |
| f3 basal setae | B < AV |
| f3 basal setae differentiation | absent |
| f3 basal setae differentiation | present |
| Subcosta | complete |
| Subcosta | incomplete |
| Hair at base of R | short |
| Hair at base of R | absent |
| Hair at base of R | long |
| Hair at base of R | minute |
| R2+3 | absent |
| R2+3 | present |
| Wing color | clear to lightly infuscated |
| Wing color | strongly infuscated |
| Relative halter color | darker |
| Relative halter color | lighter |
| Relative halter color | same |
| AT length | AT less than E |
| AT length | AT greater than E |
| AT length | AT=E |
| E setation | hairs only |
| E setation | hairs + bristles |