Maladera erlangshanica, Ahrens, Fabrizi & Liu, 2021

Fabrizi, Silvia, Liu, Wan-Gang, Bai, Ming, Yang, Xing-Ke & Ahrens, Dirk, 2021, A monograph of the genus Maladera Mulsant & Rey, 1871 of China (Coleoptera: Scarabaeidae: Melolonthinae: Sericini), Zootaxa 4922 (1), pp. 1-400 : 293

Maladera erlangshanica group

Key to species of the Maladera erlangshanica group:

1 Body larger (> 13 mm), elongate, humeri well developed............... Maladera breviclava Ahrens, Fabrizi & Liu , sp. n.

1’ Body smaller (<12.0 mm), egg-shaped, humeri reduced...................................................... 2

2 Body surface dull........................................... Maladera erlangshanica Ahrens, Fabrizi & Liu , sp. n.

2’ Body more or less shiny................................................................................ 3

3 Body black, strongly shiny. Parameres short (e.g., Fig. 69 E-H).................................................. 5

3’ Body dark brown, weakly shiny. Parameres long (e.g., Fig. 70 E-H).............................................. 4

4 Left paramere distinctly shorter than the right. Right paramere with large basal lobe.......................................................................................... Maladera pingchuanensis Ahrens, Fabrizi & Liu , sp. n.

4’ Parameres subequal in length. Right paramere without basal lobe........ Maladera yunnanica Ahrens, Fabrizi & Liu , sp. n.

5 Right paramere without basal lobe.................................... Maladera aptera Ahrens, Fabrizi & Liu , sp. n.

5’ Right paramere with large basal lobe................................ Maladera queinneci Ahrens, Fabrizi & Liu , sp. n.

Figures

FIGURE 69. A–D: Maladera erlangshanica Ahrens, Fabrizi & Liu, sp. n. (holotype); E–H: M. aptera Ahrens, Fabrizi & Liu, sp. n. (holotype); I–L: M. queinneci Ahrens, Fabrizi & Liu, sp. n. (holotype). A, E, I: aedeagus, left side lateral view; C, G, K: aedeagus, right side lateral view; B, F, J: parameres, dorsal view; D, H, L: habitus. Scale: 0.5 mm. Habitus not to scale.

FIGURE 70. A–D: Maladera breviclava Ahrens, Fabrizi & Liu, sp. n. (holotype); E–H: M. pingchuanensis Ahrens, Fabrizi & Liu, sp. n. (holotype); I–L: M. yunnanica Ahrens, Fabrizi & Liu, sp. n. (holotype). A, E, I: aedeagus, left side lateral view; C, G, K: aedeagus, right side lateral view; B, F, J: parameres, dorsal view; D, H, L: habitus. Scale: 0.5 mm. Habitus not to scale.