PHORTICA HIRTOTIBIA CAO & CHEN SP. NOV.

(FIGS 3, 9, 16, 17)

Material examined: Holotype male, CHINA: Maoniuhe, Danba, Sichuan, 15.ix.2005, HW Chen (SCAU, No. 120031) . Paratypes: 23 males, five females, same data as holotype except 15–16.ix.2005, H. L. Cao, H. W. Chen, and M. F. Xu (three males, two females in KIZ; the rest in SCAU, Nos 120032-54) .

Description: Male and female. Head: frons almost black. Face black on upper part, orange-brown on lower part. Thorax: blackish, with silver-grey pollinose pattern. Scutellum orange-brown, black along margin, with silver-grey pollinosity. Legs: hind tibia with two black rings, one row of about 11 long setae on anteroventral surface which are about as long as the tibia width (Fig. 3C), basally with six thin, long setae on posteroventral surface that are 1.5 times longer than the tibia width (Fig. 3D); apically with one long seta (Fig. 3B). All fifth tarsomeres black, the rest grey-yellow. Male terminalia: epandrium with much elongated ventral margin, covering surstylus (Fig. 16). Cercus with three strong setae (Fig. 16). Surstylus with four prensisetae apically (Fig. 16). Paramere submedially with one small process bearing one sensillum, apically with one sensillum; basal process with fine sawteeth (Fig. 17).

Measurements: BL = 3.85 mm in holotype (range in four male paratypes: 3.60–4.50); ThL = 1.70 mm (1.80–2.00); WL = 3.50 mm (3.45–3.80); WW = 1.50 mm (1.45–1.55).

Indices: arb = 4/0 (4–7/0), adf = 0.67 (0.50– 0.78), flw = 1.83 (1.57–1.92), FW/HW = 0.51 (0.50– 0.52), ch/o = 0.12 (0.11–0.15), prorb = 1.32 (1.17–1.55), rcorb = 0.43 (0.39–0.55), vb = 0.50 (0.39–0.55), dcl = 0.55 (0.45–0.54), presctl = 0.55 (0.46–0.56), sctl = 1.23 (1.03–1.10), sterno = 0.78 (0.80–0.90), orbito = 1.73 (1.50–1.80), dcp = 0.32 (0.25–0.35), sctlp = 0.95 (0.91– 1.05), C = 2.70 (2.33–2.65), 4c = 1.11 (1.19–1.50), 4v = 2.13 (2.20–3.00), 5x = 0.79 (0.55–0.97), ac = 1.90 (1.80–2.00), M = 0.50 (0.37–0.77), C3F = 0.51 (0.47–0.58).

Etymology: A combination of the Latin words hirtus and tibia, referring to the hindleg tibia with long setae.

Distribution: China (Sichuan).