Maladera modestula (Brenske, 1902) group
Key to species of the Maladera modestula (Brenske, 1902) group occurring in China (³³):
1 Body large (> 8.5 mm). Parameres distinctly shorter than phallobase................ Maladera rufotestacea (Moser, 1915)
1’ Body smaller (<8.0 mm). Parameres distinctly longer than phallobase........................................... 2
2 Anterior margin of labroclypeus moderately reflexed......................................................... 3
2’ Anterior margin of labroclypeus stongly reflexed............................................................ 4
3 Parameres long, distinctly longer than phallobase. Basal lobe of left paramere long, exceeding half of paramere..................................................................... Maladera jinghongensis Ahrens, Fabrizi & Liu, sp. n.
3’ Parameres distinctly shorter than phallobase. Basal lobe of left paramere very short or absent, not exceeding basal quarter of paramere.................................................................. Maladera taiwana Nomura, 1974
4 Filiform appendages, including basal lobe, longer (Fig. 34B)...................... Maladera modestula (Brenske, 1902)
4’ Filiform appendages, including basal lobe, shorter (Fig. 34F)............................ Maladera vethi (Moser, 1916)