Key to species of Evacanthus of the Indian subcontinent

1 Face largely ochraceous, very pale brown with median carina darker (Fig. 4 S, 5 A B)............................... 2

- Face largely dark brown or black (Fig. 4 R)................................................................. 4

2 Pronotum broader than head, ochraceous with median area dark brown (Fig. 1 Q) or with black spots in anterior half (Fig. 6 W)................................................................................................... 3

- Pronotum narrower than head, anterior half black or dark brown and posterior half ochraceous (Fig. 2 IJ)..................................................................................................... E. militaris (Distant)

3 Forewings straw coloured except fuscous broken stripe along inner claval margin, pronotum with median broad pale brown patch (Fig. 1 Q)...................................................................... E. albipennis sp. nov.

- Forewings with black stripes (Fig. 6 U); three black spots on anterior half of pronotum (Fig. 6 W)....... E. repexus (Distant)

4 Crown rough sculptured and not polished (Fig. 2 E).......................................... E. distinctus sp. nov.

- Crown smooth and polished except sometimes basal round area (Fig. 2 C)........................................ 5

5 Pronotum with anterior half dark brown and posterior half ochraceous, crown with one round black spot on either side of median line in basal half (Fig. 2 A, 6 Q)...................................................... E. bellus (Distant)

- Pronotum black with narrow lateral and posterior margins ochraceous, crown black with anterior and lateral ochraceous areas (Figs 2 C E).......................................................................................... 6

6 Aedeagus with process of dorsolateral lobe not extended beyond midlength of shaft (Fig. 24 E F)..................... 7

- Aedeagus with process of dorsolateral lobe extended nearly to apex of shaft (Fig. 27 F)............ E. manaliensis sp. nov.

7 Pygofer ventral process strongly abruptly narrowed and dorsoposteriorly curved (Fig. 24 B C)....... E. convolutus sp. nov.

- Pygofer ventral process not so curved (Fig. 29 A, 30 B)........................................ E. repexus (Distant)