Key to species of Sclerotia Ballantyne gen. nov. using males

1. Dorsal colour pattern highly coloured; elytra either moderately dark brown with paler suture and lateral margins (Figs 17, 39, 42, 43), or elytra appearing striped due to dark brown base colour with paler interstitial lines (Figs 25, 74); pronotum pale yellowish brown often with darker median markings; median anterior margin of sheath tergite emarginated.................2

- Dorsal colour pattern pale greyish or yellowish brown, often with elytral apices bearing a small darker apical patch (e.g. Figs 19, 21, 23, 27, 28); pronotum without darker markings; median anterior margin of sheath tergite either emarginated (e.g. Fig. 31 “6”) or prolonged (e.g. Figs 33−35 “D”).................................................................4

2. Elytra striped (Fig. 25); pronotum with 2 median dark markings; median posterior margin of sheath sternite not emarginated, with short pointed projection at posterolateral right (Figs 74, 77).................................. carinata (Gorham)

- Elytra not striped; pronotum clear yellow without median dark markings; median posterior margin of sheath sternite emarginated, without any projections along posterior margin.......................................................... 3

3. Elytra very dark brown (Figs 42, 43).................................................... aquatilis Indian variety

- Elytra paler brown especially in middle with bases and apices darker than rest (Fig. 39)............ aquatilis (Thancharoen)

4. Median anterior margin of aedeagal sheath tergite emarginated (Figs 31 “6”, 101).................................. 5

- Median anterior margin of sheath tergite prolonged (Figs 33−35 “D”, 91, 126)..................................... 6

5. Posterior margin of sheath sternite asymmetrical, with wide rounded prolongation to the right, separated by a shallow emargination from a very short narrow apically pointed projection on the left side (Figs, 30 “5”, 111)............. seriata (Olivier)

- Posterior margin of sheath sternite symmetrical, without further projections (Fig. 102)....................... fui sp. nov.

6. Median anterior prolongation of sheath tergite thick, apically rounded (Fig. 126); posterior margin of sheath sternite not medially emarginated; right side of posterior margin of sheath sternite with elongate slender pointed projection which may incline to right or left......................................................................... substriata (Gorham)

- Median anterior margin of sheath tergite thin, apically acute; posterior margin of sheath sternite either medially emarginated, or emarginated on posterior left with right half of posterior margin broadly rounded (Figs 33−35 “D”, 92)............... 7

7. Posterior margin of sheath sternite with shallow median emargination margined laterally by short pointed projections (Fig. 92)........................................................................................ .. flavida (Hope)

- Posterior margin of sheath sternite without median emargination, with right side emarginated and left side broadly rounded (Fig. 32 “C”)........................................................................... brahmina (Olivier)