Key to the species of Bioramix (Cardiobioramix) from China.

1. Pronotum widest at base....................................................................................................................................................................... 2

Pronotum widest near the middle.........................................................................................................................................................3

2. Pronotum with sparse or moderately dense round punctures on disc and oval on both sides............... B. (C.) splendida Egorov, 2006

Pronotum with dense oval punctures on disc and round on both sides..................................................... B. (C.) liupanshana sp. nov.

3. Pronotum sub-rectangular, with setae .................................................................................................................................................. 4

Pronotum not sub-rectangular, without setae ....................................................................................................................................... 5

4. Punctures on pronotum large and dense, covered with fine dust-liked setae.................................... B. (C.) championi (Reitter, 1891) Punctures on disc of pronotum large, dense and oval-shaped, but larger, longer and combined on both sides, covered with densely

golden long setae.................................................................................................................................... B. (C.) globipunctata sp. nov.

5. The visible ventrite V of male with a strumae on center .............................................................. B. (C.) korschefskyi (Kaszab, 1940)

The visible ventrite V of male complete ..............................................................................................................................................6

6. Anterior angles of pronotum right-angled ............................................................................................................................................7

Anterior angles of pronotum obtuse-angled .........................................................................................................................................8

7. Pronotum widest behind middle, posterior angles sharp .............................................................. B. (C.) szetschuana (Kaszab, 1940)

Pronotum widest in the middle, posterior angles rectangular............................................................ B. (C.) chinensis (Kaszab, 1940)

8. Pronotum with large punctures............................................................................................................................................................. 9

Pronotum with small punctures..........................................................................................................................................................10

9. Elytra with sparse small punctures......................................................................................................... B. (C.) asidioides Bates, 1879

Elytra with sparse large punctures............................................................................................................ B. (C.) kabaki Egorov, 2006

10. Punctures on pronotum sparse; and elytra widely oval-shaped ............................................................. B. (C.) kulzeri (Kaszab, 1960)

Punctures on pronotum dense; and elytra elongate oval-shaped .............................................. B. (C.) subaenescens (Schuster, 1923)

Funding The project was supported by the National Natural Science Foundation of China (31093430), the Ministry of Science and Technology of the People’s Republic of China (2012FY 111100, 31572309) and the Key Laboratory of Invertebrate Systematics and Application of Hebei, China (2015010).