Amiserica gulinqin, Ahrens, Fabrizi & Liu, 2021

Ahrens, Dirk, Liu, Wangang, Pham, Phu Van & Fabrizi, Silvia, 2021, An overview on the genus Amiserica Nomura, 1974 (Coleoptera: Scarabaeidae: Melolonthinae: Sericini), Zootaxa 5050 (1), pp. 1-63 : 46

Amiserica gulinqin group

Key to the species of the Amiserica gulinqin group (♂♂)

1 Only left paramere with a distinct basal lobe. Antennal club shorter, as long as remaining antennomeres combined. Tarsomeres finely densely punctate................................................................................. 2

- Both parameres with a distinct basal lobe. Antennal club longer, 1.2 times as long as remaining antennomeres combined. ( Vietnam)............................................................................................... 3

2 Basal lobe of left paramere long. Both parameres strongly bent externally at middle. ( Vietnam)................................................................................... A. lucidiflava Ahrens, Fabrizi & Liu , new species

- Basal lobe of left paramere short. Both parameres almost straight. ( China)..................................................................................................... A. gulinqin Ahrens, Fabrizi & Liu , new species

3 Parameres almost straight. Tarsomeres impunctate. Body stouter. Dorsomedian incision in apical phallobase wide and moderately deep....................................................... A. pappi Ahrens, Fabrizi & Liu , new species

- Parameres strongly bent. Tarsomeres finely densely punctate. Body elongate. Dorsomedian incision in apical phallobase narrow and deep................................................... A. nahang Ahrens, Fabrizi & Liu , new species