Tetraserica semidamadiensis, Fabrizi, Silvia, Dalstein, Vivian & Ahrens, Dirk, 2019

Fabrizi, Silvia, Dalstein, Vivian & Ahrens, Dirk, 2019, A monograph on the genus Tetraserica from the Indochinese region (Coleoptera, Scarabaeidae, Sericini), ZooKeys 837, pp. 1-155 : 101-102

Tetraserica semidamadiensis sp. n. Figures 44, 51

Type material examined.

Holotype: ♂ "Laos centr., Bolikhamxai prov. BAN NAPE - Kaew Nua Pass, 18.4-1.5.1998, alt. 600 ± 100 m, N 18°22.3, E105°09.1 (GPS), E Jendek & O Šauša leg./ coll. P. Pacholátko / 199 Sericini Asia spec." (CPPB).

Description.

Length of body: 7.8 mm; length of elytra: 5.6 mm; maximum width: 5 mm. Surface of labroclypeus and disc of frons glabrous. Smooth area anterior to eye twice as wide as long. Eyes small, ratio of diameter/interocular width: 0.52. Ratio of length of metepisternum/metacoxa: 1/1.56. Metatibia moderately long and wide, ratio width/length: 1/3.75; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus: Fig. 44 I–K. Habitus: Fig. 44L.

Female unknown.

Diagnosis.

Tetraserica semidamadiensis sp. n. is very similar to T. damadiensis Liu et al., 2014 but the new species differs by the dorsolateral tooth being situated at the basal third of the right paramere, and by the wider right paramere (lateral view).

Etymology.

The species name (adjective in the nominative singular) is derived from the combined Latin words semi- (half) and the species name damadiensis, with reference to the similarity to T. damadiensis Liu et al., 2014.