Maladera indica (Blanchard, 1850)

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 : 193

Maladera indica (Blanchard, 1850) group

Key to species of the Maladera indica (Blanchard, 1850) group occurring in China (³³):

1 Parameres entirely symmetrical. ( M. peguana subgroup)...................................................... 2

1’ Parameres with distal lobes symmetrical, basal lobes slightly asymmetrical.(species from India)...... ( M. indica subgroup)

2 Parameres shorter than phallobase. Dorsal apex of phallobase without narrow median process or with wide median process. Protibia moderately long............................................................................... 3

2’ Parameres longer than phallobase. Dorsal apex of phallobase with a very narrow median process. Protibia short............................................................................... M. peregoi Ahrens, Fabrizi & Liu , sp. n.

3 Metatarsomeres not carinate laterally. Antennal club short..................................................... 7

3’ Metatarsomeres sharply carinate laterally. Antennal club long.................................................. 4

4 Parameres widened at both sides at apex.............................. M. bansongchana Ahrens, Fabrizi & Liu , sp. n.

4’ Parameres not widened or narrowed at apex................................................................ 5

5 Parameres curved, strongly convex externally before apex..................................................... 6

5’ Parameres nearly straight to apex.......................................... M. jizuana Ahrens, Fabrizi & Liu , sp. n.

6 Parameres with rudimentary lateral basal lobes............................. M. sinobiloba Ahrens, Fabrizi & Liu , sp. n.

6’ Parameres without rudimentary lateral basal lobes....................... M. habashanensis Ahrens, Fabrizi & Liu , sp. n.

7 Dorsomedian emargination of phallobase modified, blunt or straight, but not covered by a wide dorsal process. Parameres with a basal lobe......................................................................................... 10

7’ Dorsomedian emargination of phallobase covered by a wide and long dorsal process................................ 8

8 Parameres without basal lobe. Dorsal phallobasal process much shorter than parameres.............................. 9

8’ Parameres with a basal lobe. Dorsal phallobasal process as long as parameres........ Maladera pallida ( Burmeister, 1855)

9 Dorsomedian process of phallobase short and medially emarginate or incised..................................... 11

9’ Dorsomedian process of phallobase long and medially not emarginate or incised................................................................................................... M. kryschanowskii Ahrens, Fabrizi & Liu , sp. n.

10 Basal lobe of paramere longer than distal lobe (paramere itself). Median emargination at apex of phallobase straight....................................................................... M. jingdongensis Ahrens, Fabrizi & Liu , sp. n.

10’ Basal lobe of paramere shorter than distal lobe (paramere itself). Median emargination at apex of phallobase slightly concave. .................................................................................................. 12

11 Dorsomedian process of phallobase medially deeply emarginate.............. M. lushuiensis Ahrens, Fabrizi & Liu , sp. n.

11’ Dorsomedian process of phallobase medially shallowly incised.............. M. yongrenensis Ahrens, Fabrizi & Liu , sp. n.

12 Phallobase (dorsal view) abruptly narrowed before apex.................. M. huanianensis Ahrens, Fabrizi & Liu , sp. n.

12’ Phallobase (dorsal view) evenly narrowed before apex................. M. pseudoconsularis Ahrens, Fabrizi & Liu , sp. n.