Maladera sikkimensis ( Brenske, 1898 )

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 : 124-125

Maladera sikkimensis ( Brenske, 1898) group

Key to species of the Maladera sikkimensis ( Brenske, 1898) group occurring in China (³³):

1 Protarsal claws asymmetrical, internal claw enlarged, the basal tooth of claw is large and lobiform. Elytra bicolored....... 2

1’ Protarsal claws symmetrical, internal claw not enlarged, the basal tooth of claw is pointed at apex. Elytra bicolored or not.. 3

2 Each paramere with a basal lobe. Midline of pronotum not impressed, glabrous............. Maladera exima (Arrow, 1946)

2’ Parameres without basal lobes. Midline of pronotum weakly impressed, with long, dark and adjacent setae......................................................................... Maladera pseudoexima Ahrens, Fabrizi & Liu , sp. n.

3 Antennal club short and straight.......................................................................... 4

3’ Antennal club long and reflexed.......................................................................... 7

4 Elytra bicolored....................................................... Maladera rufoplagiata ( Fairmaire, 1893)

4’ Elytra unicolored...................................................................................... 5

5 Body dark brown to reddish brown. Basal lobes of parameres wide.............................................. 6

5’ Except dark head, body dark yellowish brown. Basal lobes of parameres narrow................................................................................................... Maladera snizeki Ahrens, Fabrizi & Liu , sp. n.

6 Dorsobasal lobe of the right paramere bifid, the two processes are well divergent............................................................................................ Maladera pseudofuscipes Ahrens, Fabrizi & Liu , sp. n.

6’ Dorsobasal lobe of the right paramere simple, but bent at middle...................... Maladera fuscipes (Moser, 1915)

7 Portion distal to preapical lateral tooth in each paramere long, equal to 1/3 of its length. Basal group of metatibial spines at nearly basal third of metatibial length................................ Maladera fangana Ahrens, Fabrizi & Liu , sp. n.

7’ Portion distal to preapical lateral tooth in left paramere short, equal to 1/4 of its length. Basal group of metatibial spines nearly at middle of metatibial length.................................. Maladera serratiforceps Ahrens, Fabrizi & Liu , sp. n.