Hemithyrsocera marginalis (Hanitsch, 1933) (Figs 12–13)

Parasymploce marginalis Hanitsch, 1933: 310 .

Hemithyrsocera marginalis (Hanitsch): Roth, 1995: 988.

Diagnosis. This species is similar to H. longiseta, but differs in the seventh tergite without lateral processes; the supraanal plate with distinct intercercal processes.

Measurements (mm). Male, body length (including tegmina) 17.5–19.5; pronotum length × width 3.2–3.8 × 4.5–5.0; tegmina length 14.5–16.0. Female, unknown.

Material examined. 1♂, Bubeng, Xishuangbanna, Yunnan, elev. 600 m, 4–6 June 2009, leg. Xianwei Liu et al.; 3♂, Mengla, Yunnan, elev. 650 m, 18 April 1982, leg. Yintao Jin & Jianyi Wu.

Distribution. China (Yunnan, Guangdong), Thailand, Malaysia, Indonesia.