Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica liangheensis sp. n.

Type material examined.

Holotype: ♂ [China] "Yunnan, Lianghe, 2011-V-4, N: 24.789, E: 98.264, 1130m/ LW-1316" (ZFMK).

Description.

Body length: 9.7 mm, length of elytra: 7.3 mm, width: 5.5 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: 0.59. Antennal club 1.1 times as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.56. 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: 1/3.1; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 6 A–C . Habitus: Fig. 6D.

Female unknown.

Diagnosis.

Tetraserica liangheensis sp. n. differs from all other known Tetraserica species by the large and sharp hook at the posterior margin of metafemur.

Etymology.

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