Maladera brunnescens Fabrizi & Liu & Bai & Yang & Ahrens 2021

Maladera brunnescens (Frey, 1972) group

Key to species of the Maladera brunnescens (Frey, 1972) group (³³):

1 Phallobase with an apical lateral process on each side. Body bicolored, dorsal face yellow, ventral face blackish...................................................................... Maladera flavipennis Ahrens, Fabrizi & Liu, sp. n.

1’ Phallobase without apical lateral processes. Body unicolored, reddish brown....................................... 2

2 Phallobase strongly widened at apex. Parameres composed by a single branch (Fig. 51B, F).......................... 3

2’ Phallobase weakly widened at apex. Parameres composed by two filiform branches (Fig. 52B)................................................................................. Maladera filigraniforceps Ahrens, Fabrizi & Liu, sp. n.

3 Parameres strongly curved externally, without a median lateral sharp tooth............ Maladera brunnescens (Frey, 1972)

3’ Parameres straight, with a median lateral sharp tooth............. Maladera parabrunnescens Ahrens, Fabrizi & Liu, sp. n.