Polypedilum (Uresipedilum) infundibulum sp. n.

(Fig. 8)

Type material: Holotype male (BDN No.05902): CHINA: Hainan Province, Lingshui County, Diaoluo Town, 20. V. 1988, X. Wang . Paratype: 4 males as holotype.

Etymology: From Latin infundibulum, funnel, refers to the funnel­shaped superior volsella.

Diagnostic characters: The species, with its funnel­shaped superior volsella, is unique within the subgenus. Among the species with bare superior volsella, it is the only one without inner setae of the superior volsella.

Male imago (n = 5 except when otherwise stated)

Total length 1.93–2.35, 2.10 mm. Wing length 1.13–1.27, 1.19 mm. Total length/ wing length1.70–1.85, 1.76. Wing length /length of profemur 1.97–2.04, 2.00.

Coloration. Entirely yellow except pale brown foretasi.

Head. AR 1.25–1.48, 1.39. Temporal setae 8–9, 9; including 2–3, 3 inner verticals; 3– 4, 4 outer verticals and 2–4, 3 postorbitals. Clypeus with 11–15, 13 setae. Tentorium 112– 117, 115 m long, 24–34, 29 m wide. Palpomere lengths (in m): 26–31, 28; 26–34, 30; 78–94, 85; 88–109, 98(4); 150–166, 158(4).

Wing (Fig. 8A). VR 1.23–1.33, 1.28. Brachiolum with 1 seta, R with 13–16, 14; R 1 with 13–15, 14; R with 13–17, 16. Squama with 5–7, 6 setae.

4+5

Thorax. Dorsocentrals 7–11, 9, uniserial; acrostichals 11–14, 13; prealars 3–4, 4. Scutellum with 8–10, 9 setae.

Legs. Terminal scale (Fig. 8B) of front tibia oval, 18–21, 20 m long; spur on median tibiae 39–49, 45 µm long including 18–26, 22 m long comb, un­spurred comb 16–21, 18 m long, spur on posterior tibia 44–52, 47 m long including 23–26, 24 m long comb, un­spurred comb 18–21, 19 m long. Width at apex of front tibia 36–39, 38 m, of middle tibia 36–42, 40 m, of hind tibia 39–49, 43 m. Lengths (in m) and proportions of legs (Table 8):

Hypopygium (Figs. 8C–E). Anal tergite bands not fused basal to median anal tergite setae. Anal tergite with 6–9, 7 median setae, laterosternite with 2–3, 3 setae. Anal point 47–57, 53 m long, gradually tapered to apex. Phallapodeme 42–62, 52(3) m long; transverse sternapodeme 26–34, 30(4) m long. Gonocoxite 101–114, 108 m long. Superior volsella 26–34, 30 m long, strongly projected posteriorly, base bare with a long apical seta and without inner seta; apicomedial projection slender, 26–34, 30 m long. Inferior volsella 62–75, 68 m long, parallel sided with 10–12 setae and prominent seta. Gonostylus 91–99, 96 m long with 7 setae along inner margin and 1 apical seta. HR 1.02–1.16, 1.10. HV 1.95–2.37, 2.16.

Distribution: The species was collected by light trap in Hainan Province (Oriental China).