Tetraserica ruiliana, 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 : 105

Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica ruiliana sp. n.

Type material examined.

Holotype: ♂ [China] "Huyu County, Ruili, Yunnan, 11.VI.1956, 1400m, leg. Zhou Benshou" (IZAS).

Description.

Body length: 9 mm, length of elytra: 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: 0.63. Antennal club 1.3 times as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.55. 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: 1/3.47; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 9 I–K. Habitus: Fig. 9L.

Female unknown.

Diagnosis.

Tetraserica ruiliana sp. n. differs from all Tetraserica species with a brush of robust trichome-like spines at the base of the right paramere by the dorsal lobe of the right paramere convexly widened and elongate.

Etymology.

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