Balclutha thaiensis Webb & Vilbaste, n. rec.
(Fig. 22; Plate 2, H)
Balclutha thaiensis Webb & Vilbaste, 1994: 68, Figs. 108–113
Material examined. China: 1 male, Hainan Prov., Xinglong County, 26.iv.1983, Coll. Zhang Yalin (light trapped) (NWAFU).
Distribution. China (Hainan), Thailand.
Remarks. This species can be distinguished by the axe-shaped apex of the pygophore appendage and the female pregenital sternite (7th abdominal segment) apex concave deeply along its midline to form a distinctive slender notch.