Otiocerus, Kirby, 1821

Key to species of Otiocerus View in CoL View at ENA

1. Tegmen with markings cloud- or stain-like................................................................. 2

- Tegmen with markings spot- or stripe-like.................................................................. 3

2. Tegminal vein MP with eight terminal branches............................................ O. rubilineata sp. nov.

- Tegminal vein MP with six terminal branches.................................................... O. schoenherri View in CoL

3. Tegmen with conspicuous round dark spots in cells.......................................................... 4

- Tegmen without conspicuous round dark spots in cells........................................................ 9

4. Apical margin of tegmen with a row of spots in cells......................................................... 5

- Spots not in row within apical cells....................................................................... 8

5. Head in profile with a broad red band; tegmina with spots mostly in proximal half.................................. 6

- Head in profile without a broad red band; tegmina with spots throughout......................................... 7

6. Head in profile with a black mark at or near apex...................................................... O. wolfii View in CoL

- Head in profile without a black mark at or near apex.................................................. O. amyotii View in CoL

7. Tegmen with a discontinuous brown stripe extending from apex of clavus obliquely across it............... O. francilloni View in CoL

- Tegmen without such a discontinuous stripe......................................................... O. abbotii View in CoL

8. Tegmen with a large black spot on sutural margin (in clavus) and four smaller ones in a square, including one in costal cell............................................................................................ O. stollii View in CoL (♀)

- Tegmen with spots arranged differently from above................................................. O. reaumurii View in CoL

9. Color of tegmina dark................................................................................. 10

- Color of tegmina pale................................................................................. 12

10. Apical cells of MP 1 on tegmina light............................................................. O. stollii View in CoL (♂) - Apical cells of MP 1 on tegmina dark..................................................................... 11

11. Tegmen with a light region on subapical portion near posterior margin.................................... O. venusta View in CoL

- Tegmen without a light region on subapical portion near posterior margin.................................. O. regalis View in CoL

12. Tegmen with distinct reddish forked band........................................................ O. coquebertii View in CoL

- Tegmen without distinct reddish forked band.............................................................. 13

13. Head in profile with a reddish spot near apex...................................................... O. breviceps View in CoL

- Head in profile without a reddish spot near apex....................................................... O. kirbyi View in CoL