Clytrini

Wang, Feng-Yan & Zhou, Hong-Zhang, 2011, A synopsis on the Chinese species of Clytra Laicharting, with description of two new species (Coleoptera: Chrysomelidae: Cryptocephalinae: Clytrini), Zootaxa 3067, pp. 1-25 : 3

Key to Chinese genera of Clytrini (based on Gressitt & Kimoto, 1961)

1 Posterior angles of pronotum more or less raised in males.................................... Labidostomis Chevrolat

- Posterior angles of pronotum not raised in males............................................................. 2

2 Elytral epipleurae lobed at base; pygidium exposed........................................................... 3

- Elytral epipleurae not or very slightly convex; pygidium not exposed........................................... 5

3 Body strongly narrowed anteriorly and posteriorly; epipleural lobes of elytra very large.......... Aspidolopha Lacordaire

- Body fairly parallel-sided; epipleural lobes of elytra distinct, but not conspicuously large............................ 4

4 Posterior angles of pronotum strongly angulated; hind margin of pronotum strongly produced in middle................................................................................................ Diapromorpha Lacordaire

- Posterior angles of pronotum weakly angulated; hind margin of pronotum not so distinctly produced.................................................................................................... Aetheomorpha Lacordaire

5 Fore legs longer and more slender than the others............................................................ 6

- Fore legs not longer and more slender than the others........................................................ 9

6 Head enlarged in males................................................................................ 7

- Head normal in males................................................................... Tituboea Lacordaire

7 Posterior angles of pronotum strongly angulated......................................... Physauchenia Lacordaire

- Posterior angles of pronotum not strongly angulated......................................................... 8

8 Body elongate, fore legs considerably longer than the others..................................... Merilia Lacordaire

- Body normal, fore legs slightly longer than the others..................................... Coptocephala Chevrolat

9 Antennae normal, not very strongly widened or serrated; elytra not dilated...................................... 10

- Antennae very strongly widened and serrated; elytra strongly dilated in males...................... Clytrasoma Jacoby

10 Posterior angles of pronotum distinctly angulated, tarsi robust, broad, 1st and 2nd tarsomeres widened, especially in males................................................................................. Physosmaragdina Medvedev

- Posterior angles of pronotum rounded, not distinctly angulated................................................ 11

11 Tarsi robust, broad, 1st and 2nd tarsomeres widened, equal or subequal, body large................................. 12

- Tarsi slender, 1st tarsomere usually longer than 2nd tarsomere, body small....................................... 13

12 Pronotum very broad, widest at median part, wider than basal elytra.................................. Exomis Weise

- Pronotum widest at basal part, narrower than basal elytra or equal as basal elytra..................... Clytra Laicharting

13 Body narrow, elongate, pronotum elongate conical, barely wider than long........................ Miochira Lacordaire

- Body normal, not elongate, pronotum generally wider than long.............................. Smaragdina Chevrolat