Key to the coromandelica group-species (females only) (Modified from Lelej 2005)

1. Head entirely ferruginous............................................................................... 2

- Head black, ferruginous behind eyes, upper vertex to occipital carina, extending acutely anterad towards central vertex and over gena and postgena.................................................................. S. (E.) williamsi sp. nov.

2. Metasomal tergum 2 posterad with pale band, which widened medially........................................... 3

- Metasomal tergum 2 posterad with three pale spots (medial is larger)............................................ 5

3. Head dorsally with sparse black hairs, mesosoma dorsally with sparse black hairs medially and sparse silver hairs laterally................................................................................... S. (E.) frederici (André)

- Head and mesosoma dorsally with sparse yellowish hairs...................................................... 4

4. Legs with yellowish femur. Posterior band on metasomal tergum 2 very narrow (like fascia). Lateral setae on metasomal tergum 6 black or brownish...................................................... S. (E.) coromandelica (Motschulsky)

- Legs with brownish-red femur. Posterior band on metasomal tergum 2 wider. Lateral setae on metasomal tergum 6 white.................................................................................... S. (E.) neglecta Hammer

5. Pygidial area oval. Medial pale spot located on metasomal tergum 5......................... S. (E.) ocellata (Saussure)

- Pygidial area elongated. Medial pale spot located on metasomal terga 4 and 5..................................... 6

6. Metasomal tergum 2 with developed basal medial pale spot.............................. S. (E.) sexmaculata Hammer

- Metasomal tergum 2 at most with tuft of pale hairs...................................... S. (E.) desiderata (Turner)