Tetraserica changshouensis, Liu, Wan-Gang, Fabrizi, Silvia, Bai, Ming, Yang, Xing-Ke & Ahrens, Dirk, 2014

Liu, Wan-Gang, Fabrizi, Silvia, Bai, Ming, Yang, Xing-Ke & Ahrens, Dirk, 2014, A taxonomic review on the species of Tetraserica Ahrens, 2004, of China (Coleoptera, Scarabaeidae, Sericini), ZooKeys 448, pp. 83-121 : 103

Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica changshouensis sp. n.

Type material examined.

Holotype: ♂ [China] "Nanmu Garden, Changshou, Sichuan, 9.VI.1994, 450m, leg. Zhang Youwei" (IZAS). Paratype: 1 ♂ [China] "Mt. Xingdoushan, Lichuan, Hubei, 22.VII.1989, light trap, 810m, leg. Wang Shuyong" (ZFMK).

Description.

Body length: 8.8 mm, length of elytra: 6.7 mm, width: 5.3 mm. Surface of labroclypeus and disc of frons glabrous. Smooth area anterior to eye twice as wide as long. Eyes moderately large; ratio of diameter/interocular width: 0.65. Antennal club as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.57. Metafemur dull, anterior margin acute, without submarginal serrated line; anterior row of setae-bearing punctures absent; posterior margin straight. Metatibia short and wide, ratio width/length: 1/3.35; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 8 E–G. Habitus: Fig. 8H.

Female unknown.

Variation.

Body length: 8.0-8.8 mm, length of elytra: 6.0-6.7 mm, width: 5.0-5.3 mm.

Diagnosis.

Tetraserica changshouensis sp. n. differs from all other species with a brush of robust trichome-like spines at the base of the right paramere by the left paramere being composed of two lobes and the ventral lobe of the right paramere being abruptly and strongly widened at apex.

Etymology.

The new species is named after its type locality, Changshou.