Leucophenga acutifoliacea sp. nov.

(Figs 3 A, 7E, 7F, 11A, 14I, 14J, 27)

Diagnosis. Aedeagus slender and acute apically, slightly dorsad curved submedially, with dense pubescence on distal 2/3 (Fig. 27 D).

Description. Ocellar triangle dark brown, with 3 setae above ocellar setae. Frons brown. Pedicel yellowish brown; first flagellomere yellow. Clypeus brownish. Palpus brownish yellow. Mesonotum yellowish brown, slightly brown before scutellum (Fig. 7 E). Postpronotal lobe yellow (Fig. 7 F). Scutellum yellowish brown, pale at tip (Fig. 7 E). Pleura with an intermittent, brown longitudinal stripe above (Fig. 7 F). Katepisternum and mesopleuron mostly brownish yellow (Fig. 7 F). Wing (Fig. 3 A): Costal vein between R2+3 and R4+5 distally with 6 peg-like spinules on ventral surface. Abdominal tergites black, with yellow patches (Fig. 11 A). Male terminalia: Epandrium with pubescence and 7 setae near posterior margin per side (Fig. 27 A). Paramere with 5 sensilla subdorsally and a few pubescence distally (Fig. 27 C).

Measurements. BL = 4.13 mm in holotype, THL = 2.17 mm, WL = 3.60 mm, WW = 1.67 mm, arb = 10/5, avd = 0.94, adf = 1.78, flw = 2.44, FW/HW = 0.35, ch/o = 0.03, prorb = damaged, rcorb = 0.62, vb = 0.39, dcl = damaged, presctl = damaged, sctl = damaged, sterno = 0.74, orbito = 2.33, dcp = 0.19, sctlp = 1.10, C = 2.06, 4c = 1.44, 4v = 2.07, 5x = 1.04, ac = 2.82, M = 0.56, C3F = 0.77.

Type specimens. Holotype ♂ (SCAU, No. 123135), CHINA: Wangtianshu, Mengla, Yunnan, 600m, 24.iv.2007, ex tree trunk, HW Chen.

Distribution. China (Yunnan).

Etymology. A combination of the Latin words “ acutus ” (= acuted) + “ foliaceus ” (= folium), referring to the aedeagus acute apically.