Amiserica jizuensis, 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 : 30-31

Amiserica jizuensis group

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

1 Elytral surface shiny................................................................................... 2

- Elytral surface dull.................................................................................... 4

2 Insertion of parameres at the same level. Antennal club twice as long as remaining antennomeres combined.................................................................. A. carolusholzschuhi Ahrens, Fabrizi & Liu , new species

- Insertion of left paramere distinctly displaced distally......................................................... 3

3 Long erect setae on pronotum directed anteriad. Phallobase on dorsal subapical part with a strong gibbosity. Antennal club as long as remaining antennomeres combined...................... A. gibbosiforceps Ahrens, Fabrizi & Liu , new species

- Long erect setae on pronotum erect or directed posteriad. Phallobase on dorsal subapical part simple, without any gibbosity. Antennal club nearly twice as long as remaining antennomeres combined.................................................................................................. A. ventriscalptus Ahrens, Fabrizi & Liu , new species

4 Left paramere elongate, three times as long as wide. Right paramere longer, nearly twice as long as wide............................................................................. A. jizuensis Ahrens, Fabrizi & Liu , new species

- Left paramere short, as long as wide. Right paramere short, subtriangluar................................................................................................... A. panghongae Ahrens, Fabrizi & Liu , new species