Tetraserica ruiliensis Ahrens, Liu & Fabrizi

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 : 104

Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica ruiliensis Ahrens, Liu & Fabrizi sp. n.

Type material examined.

Holotype: ♂ [China] "Yunnan, Ruili, 2011-IV-27, N: 24.059, E: 97.955, 825m/ LW-1216" (ZFMK).

Description.

Body length: 8.1 mm, length of elytra: 5.8 mm, width: 4.8 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: 0.63. Antennal club 1.2 times as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.74. Metafemur dull, anterior margin acute, without submarginal serrated line; anterior row of setae-bearing punctures absent; posterior margin straight. Metatibia moderately long and wide, ratio width/length: 1/3.54; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 9 A–C. Habitus: Fig. 9D.

Female unknown.

Diagnosis.

Tetraserica ruiliensis sp. n. differs from all species with straight posterior margin of metafemur, long ventral phallobasis process, and right paramere without brush of spines by the right paramere being simple, not composed of two lobes.

Etymology.

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