1. Wings dark brown, speckled with large areas of yellow scales (Figs 13–18)....................................... 2
- Wings mostly dark brown, almost without yellow scales (Figs 1–12)............................................. 3
2. Head and thorax dorsally covered with green scales (Fig. 27); forewing apex rounded; DFW and DHW with yellow speckling restricted to submarginal areas (Figs 13–16).................................................... S. petiti sp. nov.
- Head and thorax dorsally yellowish (Fig. 28); forewing apex pointed; DFW and DHW with yellow speckling over entire wing surface (Figs 17–18).................................................................. S. spangla comb. nov.
3. VHW with solid whitish postdiscal spots (Figs 6, 8)................................................ S. argyrospila
- VHW with faint ochre postdiscal spots (Figs 2, 4, 10, 12)...................................................... 4
4. Frons covered with opaque, dark brown scales (Fig. 19). VHW postdiscal spots faint and large (Figs 2, 4)........ S. sodalis
- Frons covered with iridescent bluish-green scales (Fig. 21). VHW postdiscal spots better defined and small (Figs 10, 12).................................................................................................. S. coler