Taxon classification Animalia Coleoptera Scarabaeidae

Tetraserica shangsiensis sp. n.

Type material examined.

Holotype: ♂ [China] "Hongqi Forestry Farm, Shangsi, Guangxi, 29.V.1999, 300m, leg. Ke Xin" (IZAS). Paratypes: 1 ♂ [China] "Nonggang, Longzhou, Guangxi, 21.V.1982, 240m, leg. Li Fasheng" (CAU), 1 ♂ [China] "Fu'ai, Pingxiang, Guangxi, 17.VI.1976, leg. Zhang Baolin" (ZFMK), 2 ♂♂ [China] "Hong Kong: Lantau I: San Shek Wan; v.1988" (BPBM), 1 ♂ [China] "Hongqi Forestry Farm, Shangsi, Guangxi, 29.V.1999, 300m, leg. Ke Xin" (IZAS), 1 ♂ [China] "Taojiang, Leishan, Guizhou, 5.VII.1988, 1000m, leg. Yang Longlong, light trap" (IZAS).

Description.

Body length: 8.1 mm, length of elytra: 6.2 mm, width: 4.6 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: 0.76. Antennal club as long as remaining antennomeres combined. Ratio of length of metepisternum/metacoxa: 1/1.61. Metafemur dull, anterior margin acute, without submarginal serrated line; anterior row of setae-bearing punctures absent; posterior margin straight. Metatibia short and wide, ratio width/length: 1/3.13; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus. Fig. 8 I–K . Habitus: Fig. 8L.

Female unknown.

Variation.

Body length: 7.0-8.1 mm, length of elytra: 5.6-6.7 mm, width: 4.4-4.8 mm.

Diagnosis.

The new species differs from the similar Tetraserica xichouensis sp. n. by the left paramere being evenly curved without being clearly bent, and having a tiny lateral tooth before apex which is absent in Tetraserica xichouensis .

Etymology.

The new species is named after its type locality in Shangsi prefecture (Guangxi province).