1	Setulae present on wing vein R4+5 not extending beyond crossvein r-m	2
–	Setulae present on wing vein R4+5 extending beyond crossvein r-m	8
2	Fronto-orbital plate and parafacial entirely and uniformly gold	paulinesaribasae sp. n.
–	Fronto-orbital plate at most with some gold present and parafacial not gold	3
3	Fronto-orbital plate bearing some gold	leahdennisae sp. n.
–	Fronto-orbital plate pale grey or silver (can include pale brassy) distinctly not gold	4
4	Infrasquamal setae absent	occidentalis Coquillett, 1895
–	Infrasquamal setae present	5
5	Frontal vitta indistinct around ocellar triangle, not reaching occiput	6
–	Frontal vitta wide and prominent extending around ocellar triangle to occiput	7
6	Parafacial setulae descending along parafacial in a row near facial ridge; surstylus sharp at tip	lindarobinsonae sp. n.
–	Parafacial setulae present as a small circular grouping along upper 1/3 of parafacial, not in a row near facial ridge; surstylus rounded at tip	svetlanakozikae sp. n.
7	Postpedicel just over 3 times as long as pedicel; claws and pulvilli shorter than last tarsomere	brevicornis Brooks, 1945
–	Postpedicel 2 times as long as pedicel; claws and pulvilli longer than last tarsomere	orientalis Townsend, 1915
8	Fronto-orbital plate gold on at least upper two thirds	robinsherwoodae sp. n.
–	Fronto-orbital plate entirely silver	9
9	Wing vein R1 bare throughout	facialis Reinhard, 1956
–	Wing vein R1 setulose throughout	cordata Reinhard, 1960