Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica daqingshanica sp. n.

Type material examined.

Holotype: ♂ [China] "Mt. Daqingshan, Longzhou, Guangxi, 24.IV.1963, 600-700m, leg. Shi Yongshan" (IZAS). Paratype: 1 ♂ [China] "Mt. Daqingshan, Longzhou, Guangxi, 13.IV.1963, 360m, leg. Wang Shuyong" (ZFMK).

Description.

Body length: 9.2 mm, length of elytra: 7 mm, width: 5.5 mm.

Surface of labroclypeus and disc of frons glabrous. Smooth area anterior to eye twice as wide as long. Antennal club 1.1 times as long as remaining antennomeres combined. Eyes small; ratio of diameter/interocular width: 0.53. Ratio of length of metepisternum/metacoxa: 1/1.63. Metafemur dull, anterior margin acute, without submarginal serrated line; anterior row of setae-bearing punctures absent; posterior margin with a blunt tooth. 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. 1 A–C . Habitus: Fig. 1D.

Female unknown.

Variation.

Body length: 9.2 mm, length of elytra: 7.0-7.3 mm, width: 5.5-5.9 mm.

Diagnosis.

The new species differs from all other so far known Tetraserica species by the blunt tooth at the posterior margin of the metafemur.

Etymology.

The new species is named after the type locality, Mt. Daqingshan.