Boundarus trimaculatus Li & Wang

(Figs 1–6, 21–25, 36–39)

Measurements: ɗ: body length: 5.0–5.5; head width (incl. eyes): 1.7–1.9; head length: 0.9–1.1. Ψ: body length: 6.0–7.5; head width (incl. eyes): 1.8–2.0; head length: 1.0–1.2.

Head with seven black patches in dorsal view and three big black patches in anterior view. Forewing generally yellowish brown with black patches; claval area black (Figs 1–6).

Male pygofer with macrosetae dorsally, subgenital plate extended to apex of pygofer in lateral view, distinctly narrowed apically in ventral view (Figs 21, 25). Aedeagus with atrial processes rounded dorsally with 90º posteroventral angle; shaft with apical processes long, about half length of shaft in lateral view (Fig. 22).

Material examined: 1ɗ (Holotype, NWAFU), China: Shaanxi Prov., Ningshan County, Huoditang, 15– June-1985, coll. Li Jinfang; 10ɗ ɗ, 10Ψ Ψ (NWAFU), China: Shaanxi Prov., Ningshan County, Huoditang, 8~ 30-June-1995, coll: Li Jinfang; 3Ψ Ψ (NWAFU), China: Shaanxi Prov., Mt. Huashan, July-1979, coll. Tian Chou & Chen Tong; 1ɗ (NWAFU), China: Shaanxi Prov., Huxian County, Huashuping, 27-June-2007, coll. Zhou Shun; 4ɗ ɗ, 5Ψ Ψ (NWAFU), China: Henan Prov., Songxian County, Mt. Baiyunshan, 1400m, 15-July- 1996, coll. Zhang Wenzhu; 10ɗ ɗ, 10Ψ Ψ (NWAFU), China: Henan Prov., Luanchuan County, Longyuwan, 12-July-1996, coll. Zhang Wenzhu; 1Ψ (NWAFU), China: Sichuan Prov., Ya’an County, 12-July-1939, coll. Chou Io, Zheng Fengying & Hao Tianhe.

Distribution: China (Shaanxi, Henan, Sichuan).

Remarks: This species, the type species of the genus Boundarus Li & Wang, can be easily distinguished from the other two species of the genus by the seven black patches on the head in dorsal view and the much longer apical aedeagal processes, which are about half the length of the shaft.