Prosciara oligotricha Shi & Huang, sp. nov.

(Figs. 1, 24)

Specimens examined. Holotype, male. China, Yunnan province, Baoshan, Nankang, Gaoligong Nature Park, 2181 m, sweep-net, 24°49.729ʹN, 98°46.074ʹE, 11.V.2009, Su-Jiong Zhang [SM00896].

Description (Male). Color. Head dark brown; antenna, thorax, abdomen and hypopygium yellowish-brown, mesonotum brown; palpus and legs yellow; wing fumose. Head (Fig. 1 C, D). Eye bridge with 3 rows of facets. Basal segment of palpus with 2 setae; 2nd segment with 6 setae; 3rd segment with 8 setae. Length/width of 4th flagellomere: 1.45. Thorax. Anterior pronotum with 6 setae, episternum 1 with 7 setae. Wings. Wing length 2.54 mm, width/length: 0.37. c/w: 0.57. R1/R: 1.03. r-m with 3 setae, stM with a few setae, M1 and M2 with numerous setae, Cu1 with numerous setae and Cu2 bare. Legs. Foretibia with a comb of 7 setae (Fig. 1 E). Length of spur/ width of foretibia 1.89. Length of femur/length of metatarsus: foreleg 1.09. Length of metatarsus/length of tibia: foreleg 0.67, hind leg 0.53. Length of hind tibia/length of thorax 1.54. Foretibia with 0 dorsal, 1 ventral, 2 prolateral and 2 retrolateral spinose setae. Midtibia without dorsal spinose setae. Hypopygium (Fig. 1 A, B). Sternite 10 with 3 setae on each half.

Distribution. China (Yunnan, Fig. 24).

Remarks. By its relative wing length, setose M and Cu1, the form of the gonostylus and the subapically located dorsal lobe, the new species resembles P. bifida Hippa & Vilkamaa, 1991 and P. mima Hippa & Vilkamaa, 1991. But the intercoxal lobe of the hypopygium is not present in P. oligotricha, whereas it is distinctly present in P. bifida and P. m i m a. The tegmen is wider than length in P. oligotricha, while as long as or longer than wide in P. bifida and P. mima. Additionally, P. oligotricha differs from P. bifida by having a wider gonostylus, with a dorsal lobe extended distally as far as apex of the gonostylus. This species differs from P. mima by a wider gonostylus, with five megasetae on the dorsal lobe, while four in P. mima.

Etymology. This species is named after its few setae on the ventral membraneous area between the gonocoxites, from the Latin adjective oligotrichus, meaning few setae.