Maladera shenglongi group

Key to species of the Maladera shenglongi group (³³):

1 Anterior margin of metafemur with a continuous and fine serrate line............................................. 2

1’ Anterior margin of metafemur without a continuous and fine serrate line.......................................... 4

2 Pronotum iridescent, shiny..................................... Maladera maoershana Ahrens, Fabrizi & Liu, sp. n.

2’ Pronotum dull........................................................................................ 3

3 Left paramere with two lobes. Right paramere simple. Punctation on head very coarse and dense................................................................................. Maladera shoumanensis Ahrens, Fabrizi & Liu, sp. n.

3’ Left paramere simple. Right paramere with a large basal lobe. Punctation on head fine and dense....................................................................................... Maladera jatuai Ahrens, Fabrizi & Liu, sp. n.

4 Right paramere bifid................................................................................... 5

4’ Right paramere simple................................................................................. 6

5 Right paramere much longer than wide. Left paramere trifid........... Maladera shenglongi Ahrens, Fabrizi & Liu, sp. n.

5’ Right paramere nearly as wide as long. Left paramere bifid.................... Maladera hui Ahrens, Fabrizi & Liu, sp. n.

6 Left paramere with only one narrow process apart from basal lobe. Surface of pronotum plain..................................................................................... Maladera xingkeyangi Ahrens, Fabrizi & Liu, sp. n.

6’ Left paramere trifid. Pronotum with two large convexities on each side of disc, separated by a transverse cavitity.................................................................... Maladera zhejiangensis Ahrens, Fabrizi & Liu, sp. n.