1. Tarsi 2-segmented; antennae 8-segmented [not studied]................................................... stylifer

-. Tarsi 1-segmented (Fig. 13); antennae 6-segmented (Figs 4, 5, 6), rarely 7- or 8-segmented........................... 2

2. Female tergite IX with posteromedian setae S1 about 0.5 times as long as posterolateral setae S2 (Fig. 12)... iraniensis sp. n.

-. Female tergite IX with posteromedian setae S1 less than 0.2 times as long as posterolateral setae S2 (Figs 10, 11)......... 3

3. Sternites III–VI with lateral posteromarginal setae S3 arising anterior to the margin (Fig. 7); tergites II–VIII usually without discal setae (Fig. 1); base of antennal segment II broad and flat (Fig. 4)..................................... elegans

-. Sternites III–VI with posteromarginal setae all arising on the margin (Fig. 8); tergites II–VIII with 6–12 discal setae (Fig. 2); base of antennal segment II not broad (Fig. 5)............................................................ rufus