Eumaladera Nomura, 1967

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 : 27

Maladera (subgen. Eumaladera Nomura, 1967 )

Maladera subgen. Eumaladera Nomura, 1967: 53 (Type species by original designation: Maladera nitididorsis Nomura, 1967 ); Ahrens 2006b: 230; Ahrens 2007b: 13; Ahrens & Bezděk 2016: 284.

Key to species of Maladera (sbg. Eumaladera ) occurring in China (³³):

1 Body size larger,> 10 mm ............................................................................... 2

1’ Body size smaller, <9 mm ............................................................................... 4

2 Left paramere elongate (lateral view), ventrally without blunt tooth ( Fig. 4E )... Maladera fencli Ahrens, Fabrizi & Liu , sp. n.

2’ Left paramere short (lateral view), ventrally with a blunt tooth ( Fig. 5E ).......................................... 3

4 Left paramere wide and pointed at apex, subapical teeth more ventrally positioned................................................................................................ Maladera robustula Ahrens, Fabrizi & Liu , sp. n.

4’ Left paramere narrower and blunt at apex, subapical teeth more laterally positioned................................................................................................ Maladera wipfleri Ahrens, Fabrizi & Liu , sp. n.

4 Left paramere elongate (lateral view), ventrally without blunt tooth ( Fig. 4A )........... Maladera subrugata ( Moser, 1926)

4’ Left paramere short (lateral view), ventrally with a blunt tooth ( Fig. 5A )............. Maladera opaciventris (Moser, 1915)

Figures

FIGURE 4. A–D: Maladera subrugata (Moser, 1926) (China: Qinglongqiao); E–H: M. fencli Ahrens, Fabrizi & Liu, sp. n. (holotype). A, E: aedeagus, left side lateral view; C, G: aedeagus, right side lateral view; B, F: parameres, dorsal view; D, H: habitus. Scale: 0.5 mm. Habitus not to scale.

FIGURE 5. A–D: Maladera opaciventris (Moser, 1915) (China: Zhejiang: Mt. Longwangshan); E–I: M. robustula Ahrens, Fabrizi & Liu, sp. n. (holotype); J–N: M. wipfleri Ahrens, Fabrizi & Liu, sp. n. (holotype). A, E, J: aedeagus, left side lateral view; C, H, M: aedeagus, right side lateral view; B, F, G, K, L: parameres, dorsal view; D, H, N: habitus. Scale: 0.5 mm. Habitus not to scale.