Sinojassus compressus Dai, Zhang and Zhang, sp. nov.

Sinojassus compressus Dai, Zhang and Zhang sp. nov.

Figs 3, 6, 9, 36–43.

Male 5.8 mm long, 2.2 mm wide across eyes and 2.5 mm wide across hind margin of pronotum. Proportion of width of head including eyes to hind margin of pronotum is 0.86.

Pale greenish brown with brown spots. Forewings brown and legs yellowish brown.

Male genitalia: Caudal margin of pygofer convexly rounded, with many macrosetae on caudal margin. Subgenital plate short, apex rounded, with lateral marginal setae. Style narrow and long, apophysis curved at an obtuse angle, with tooth-like projection at base of apophysis both dorsally and ventrally in lateral view, apex curved ventrally and rounded. Aedeagus with well developed bifid dorsal apodeme, preatrium not developed, shaft stout, compressed, in lateral view widened near midlength and slightly curved dorsally near apex, with lateral spicules preapically.

Material examined. Holotype 3, China, Yunnan Prov., Simao, 7 April 1981, Li Fasheng (CAU). Paratypes: 13, Thailand, Chiang Mai, Doi Chiang Dao WS Nature Trail, 19º24.187'N 98º55.312'E, 491m, Malaise trap 31.vii-7.viii.2007, Songkrant Jagsu & Apichat Watwanich, T2829 (QSBG); 13, Thailand, Chiang Mai, Doi Chiang Dao WS Nature trail, 19º24.278'N 98º55.311'E, 491m, Malaise trap 30.ix-7.x.2007, Songkran & Apichart, T3174 (INHS).

Remarks. This species resembles Sinojassus aspinus sp. nov. externally but can be distinguished from the latter by the pygofer with many macrosetae on the caudal margin and the compressed aedeagal shaft.

Etymology. The name of the species refers to the compressed aedeagal shaft.