Rhotana, Walker. A, 1857

Zelazny, B. & Webb, M. D., 2011, 3071, Zootaxa 3071, pp. 1-307 : 108-109

Key to the species of Rhotana from Borneo (males)

1. Forewings colourless, a few infuscated spots in its basal third (e.g. Fig. 216f) or with two prominent round dots along anterior apical cross-veins ( Fig. 245f)........................................................................... 19

- Forewings and/or hindwings with various patterns of coloration, if colourless then without such spots and marks.......... 2

2. Forewings uniformly infuscated, most or all veins red or orange................................................. 3

- Forewings with infuscation interrupted or faint.............................................................. 4

3. Forewings dark brown, veins bright red; body mostly dark reddish-brown............ R. miles sp. nov. (ungrouped), p. 101

- Forewings light brown, most veins orange; body mostly stramineous to light brown.. R. concolor Zelazny (ungrouped), p. 98

4. Forewings with 6 large and 2 small conspicuous dark marks near hindmargin ( Fig. 232f).................................................................................................. R. pavo (Bierman) ( R. pavo group), p. 92

- Forewings without such marks........................................................................... 5

5. Basal half of forewings nearly uniformly infuscated, apical cross-veins lined with infuscation (e.g. Fig. 249f)............. 6

- Basal half of forewings with faint or interrupted infuscation.................................................... 7

6. Male genital styles triangular, pointed at the end ( Fig. 249i).................... R. semiopalina Muir (ungrouped), p. 103

- Male genital styles oval, rounded at the end ( Fig. 199j)............ R. transversolinea Melichar ( R. formosana group), p. 70

7. Hindwings with dark mark(s) (e.g. Fig. 200g).............................................................. 11

- Hindwings without or with very faint marks................................................................ 8

8. Forewings with a large, brown-black area near hindmargin containing three white dots ( Figs. 33 and 34).................................................................................. R. marmorata Zelazny (ungrouped), p. 101

- Forewings without such a large brown-black area near hind margin.............................................. 9

9. Forewing veins brown, lined with infuscation in a net-like pattern ( Fig. 248f)...... R. reticulata sp. nov. (ungrouped), p. 102

- Forewing veins stramineous and orange, infuscation faint..................................................... 10

10. Male aedeagus with one pointed or small rounded process (shape variable, Fig. 253)....................................................................................................... R. venosa Distant (ungrouped), p. 105

- Male aedeagus ending in two pointed processes ( Fig. 252)....................... R. suttoni sp. nov. (ungrouped), p. 104

11. Forewings brown, interrupted by numerous clear areas (e.g. Fig. 200f)......................................... 12

- Forewings clear with faint infuscations, but not in clearly defined areas (e.g. Fig. 204f)............................. 13

12. Apical part of male aedeagus with a pointed, slightly curved process on the right side ( Fig. 242p)............................................................................................ R. cribraria sp. nov. (ungrouped), p. 98

- Male aedeagus without a pointed process ( Fig. 200o)..................... R. aperta sp. nov. ( R. latipennis group), p. 72

13. Hindwing marks bearing one or two rounded white dots (e.g. Fig. 204g)......................................... 14

- Hindwing marks without white dots (e.g. Fig. 201g)......................................................... 15

14. Male aedeagus ending in two pointed processes ( Fig. 204m)............. R. holtmanni sp. nov. ( R. latipennis group), p. 74

- Male aedeagus without pointed processes ( Fig. 205m)................. R. kuncheriai sp. nov. ( R. latipennis group), p. 75

15. Male aedeagus with one or two pointed processes (e.g. Fig. 206m).............................................. 17

- Male aedeagus without pointed processes (e.g. Fig. 201m)................................................... 16

16. Male aedeagus very short and thick, apical part not clearly defined ( Fig. 201m); 3 joining marks on hindwings ( Fig. 201g)................................................................... R. crassa sp. nov. ( R. latipennis group), p. 72

- Male aedeagus with clearly defined apical part ( Fig. 210m), 3 well separated marks on hindwings ( Fig. 210g)............................................................................ R. truncata sp. nov. ( R. latipennis group), p. 78

17. Margins of facial carinae orange-red, male aedeagus ending in two prominent processes, which are usually pointed ( Figs. 206m, o)...................................................... R. latipennis Walker ( R. latipennis group), p. 76

- Margins of facial carinae stramineous, male aedeagus with one pointed process (e.g. Fig. 208m)...................... 18

18. Male aedeagus short, thick with a short pointed process arising from the dorsal side ( Figs. 203m, o); forewings with a red mark around last subcostal sector....................................... R. hirashimai sp. nov. ( R. latipennis group), p. 74

- Male aedeagus elongated, ending in a long, slender, pointed process ( Figs. 208m, p); forewings with a brown mark around last subcostal sector................................................... R. sabaea sp. nov. ( R. latipennis group), p. 77

19. Forewings> 6 mm long, with two prominent spots along anterior apical cross-veins ( Fig. 245f).............................................................................................. R. magna sp. nov. (ungrouped), p. 100

- Forewings <6 mm long, without such spots (e.g. Fig. 216f)................................................... 20

20. Apical part of male aedeagus without processes ( Figs. 216m, p)................ R. pacata sp. nov. ( R. ornata group), p. 83

- Apical part of male aedeagus bearing two processes, each ending in 2 or 3 teeth (e.g. Figs. 218m, p)................... 21

21. Processes on apical part of male aedeagus short, just reaching aedeagus tip, each bearing three small terminal teeth ( Figs. 218m, p)......................................................... R. tridentata sp. nov. ( R. ornata group), p. 84

- Male aedeagus ending in two long and flat processes, each with two short, pointed tips ( Fig. 215m).......................................................................................... R. fera sp. nov. ( R. ornata group), p. 82