Tetraserica xichouensis, 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 : 101-102

Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica xichouensis sp. n.

Type material examined.

Holotype: ♂ "China, SE Yunnan, Xichou - E env. 1400-1700m, 13.18.5.95/ 23°22-26'N/ 104°41-49'E L.+R. Businský lgt." (CPPB).

Description.

Body length: 9.0 mm, length of elytra: 6.7 mm, width: 5.8 mm. Surface of labroclypeus and disc of frons glabrous. Smooth area anterior to eye twice as wide as long. Eyes large; ratio of diameter/interocular width: 0.7. Antennal club 1.2 times as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.6. Metafemur dull, anterior margin acute, without submarginal serrated line; anterior row of setae-bearing punctures absent; posterior margin with a large sharp hook. Metatibia short and wide, ratio width/length: 1/3.4; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 7 I–K. Habitus: Fig. 7L.

Female unknown.

Diagnosis.

Tetraserica xichouensis sp. n. differs from the very similar Tetraserica tonkinensis by the smaller dorsal lobe of the right paramere.

Etymology.

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