Zarcosia weigeli n. sp.

(Figures 1; 3e; 4r; 5i,t; 6d)

Etymology. The species is named after Andreas Weigel in recognition of her efforts to collect material for others.

Type locality. China: Yunnan, Xishuangbanna, 23 km NW Jinghong, vic. Na Ban [22°09’ N 100°40’ E] .

Distribution. China: Yunnan.

Description. (Figure 3i,j). Female unknown. Body length. ♂: 2.53± 0.04 mm (n=2). Entirely black, elongated, covered with thin blond pubescence.

Head. Small, weakly transverse, slightly wider than pronotum. Palpi dark brown, last article securiform. Punctation coarse, dense. Posterior margin lined with a fringe of dense white pubescence.

Antennae. Subfiliform, slightly longer than elytra, black. Antennomere 3–8 more than twice as long as wide. Covered with hirsute white pubescence.

Pronotum (Figure 6d). Subcylindrical, convex, longer than wide, sides weakly but regularly convex. Strongly and densely punctuated, points deep.

Elytra. Length: ♂: 1.75±0.00 mm (n=2). Punctation stronger than on pronotum, dense, points deep, well defined. Covered with double pubescence: moderately long hair borne from punctation and interspersed whitish pulverulent hairs (Figure 5i). Moderately convex, depressed on disc.

Legs. Long and thin, black, except last two tarsomeres, yellow. Sexual characters. Male foretibia weakly bent inward, with a small acute tooth on their inner side (Figure 5t).

Aedeagus (Figure 4r). Simple, sturdy, sides parallel in dorsal view, progressively tapered in a regular triangle in apical fourth. Hardly bent in lateral view, with a weak apical upward deflection.

Type material. Holotype (♂, NME). China: Yunnan, Xishuangbanna, 23 km NW Jinghong, vic. Na Ban (NNNR), 22°09’ N 100°40’ E (730 m), Transition zone MF (A. Weigel) 23.V.2008 . Paratype. China: Yunnan, Xishuangbanna, 23 km NW Jinghong, vic. Na Ban (NNNR), 22°09’ N 100°40’ E (730 m) , secondary forest, Rubber plant (A. Weigel) 20.V.2008 (1 ♂ paratype, NGPC) .