Tetraserica masumotoi Kobayashi, 2017

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 : 49

Tetraserica masumotoi Kobayashi, 2017 Figures 19, 50

Tetraserica masumotoi Kobayashi, 2017: 40, figs 6, 15.

Material examined.

1 ♂ "NW Thailand, 19.19N, 97.59E, Mae Hong Son, 1991 Ban Huai Po, 1600-2000 m, 17-23.5., L. Dembický leg./ 600 Sericini Asia spec." (NHMW), 1 ♂ "N-Thailand Ban Mai [Huai] Po 9.-16.5.1991 L. Horak lgt./ Coll. Milan Nikodym Praha" (ZFMK), 1 ♂ "Thailand 9.-16.5.1991 Mae Hong Son Ban Huai Po 1600-2000 m J. Horak lgt./ coll. Milan Nikodym, Praha" (ZFMK).

Redescription. Length of body: 8.5 mm; length of elytra: 6 mm; maximum 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. Ratio of length of metepisternum/metacoxa: 1/1.56. Posterior margin of metafemur with sharp hook. Metatibia short and wide, ratio width/length: 1/3.29; basal group of dorsal spines of metatibia at first third of metatibial length.

Aedeagus: Fig. 19 A–C. Habitus: Fig. 19D.