Zorochros

Han, Taeman, Park, In Gyun & Park, Haechul, 2015, Two new species of the genus Zorochros (Coleoptera: Elateridae: Negastriinae) from Korea, Zootaxa 3904 (2), pp. 261-269 : 263

Key to subgenera and species group of Zorochros

1. Hind angle of pronotum with a carina short, not extending to anterior half of pronotum or entirely absent.............. 2

- Hind angle of pronotum with a carina long, extending to anterior margin of pronotum.................Subgenus Thurana

2. Hypomera without antennal groove...................................................................... 3

- Hypomera with antennal groove....................................................... Subgenus Pronegastrius

3. Lateral margin of pronotum sinuate at base of hind angle and roundly arched in dorsal view....Subgenus Zorochros s. str...4

- Lateral margin of pronotum straight at base of hind angle, therefore trapezoidal in dorsal view...... Subgenus Yamatostrius

4. Hind angle of pronotum with dorsal carina.................................................................. 5

- Hind angle of pronotum without dorsal carina...................................... group 1, Z. (Z.) alysidotus group

5. Body more flat, entirely black; pronotum granulate over entire surface............... group 2, Z. (Z.) meridionalis group

- Body convex, entirely black or with pale spots on elytra; pronotum generally granulate at anteromedian part............. 6

6. Scutellum subtriangular or tongue shaped..............................................group 3, Z. (Z.) crux group

- Scutellum cordiform, distinctly emarginated in anterior margin.......................... group 4, Z. (Z.) indicus group