Prosciara hemicrypta Shi & Huang

Shi, Kai, Huang, Junhao, Komarova, Lyudmila, Zhang, Sujiong & Wu, Hong, 2013, Review of the genus Prosciara Frey (Diptera, Sciaridae) from China, Zootaxa 3640 (3), pp. 301-342 : 307-309

Prosciara hemicrypta Shi & Huang , sp. nov.

( Figs. 3 , 24 )

Specimens examined. Holotype, male. China, Yunnan province, Tengchong, Jietou, Shaba, Mt. Tiantaishan, sweep-net, 25°24.115ʹN, 98°42.615ʹE, 12.V.2009, Su-Jiong Zhang [SM00853].

Description (Male). Color. The head is bleached, pale brown; thorax, abdomen, and hypopygium yellowishbrown, the mesonotum brown; antenna, palpus and legs yellow; wing fumose. Head ( Fig. 3 C, D). Eye bridge with 3 rows of facets. Prefrons with 22 setae. Clypeus with 2 setae. Basal segment of palpus with 2 setae; 2nd segment with 11 setae; 3rd segment with 10 setae. Length/width of 4th flagellomere: 2.02. Thorax. Anterior pronotum with 6 setae, episternum 1 with 11 setae. Wings. Wing length 2.97 mm, width/length: 0.39. c/w: 0.49. R1/R: 1.04. 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 6 setae. Length of spur/width of foretibia 2.32. Length of femur/length of metatarsus: foreleg 1.00. Length of metatarsus/length of tibia: foreleg 0.74, hind leg 1.03. Length of hind tibia/length of thorax 0.77. Foretibia with 0 dorsal, 3 ventral, 2 prolateral and 2 retrolateral spinose setae. Midtibia without dorsal spinose setae. Hypopygium ( Fig. 3 A, B). Sternite 10 with 1 seta on each half.

Distribution. China (Yunnan, Fig. 24 ).

Remarks. By their form of the gonostylus and small indistinct setose intercoxal lobe on the hypopygium, the new species is similar to P. gyracantha ( Fig. 2 ) and the discussion is under the former species. Etymology. This species is named after the dorsal lobe on the gonostylus not visible in ventral view except its megasetae, from the Latin adjective hemicryptus, meaning half concealed.

Figures

FIGURE 2. Prosciara gyracantha Shi & Huang, sp. nov., male, holotype. A, left gonostylus, ventral view; B, part of hypopygium, ventral view. Scale 0.10 mm.

FIGURE 3. Prosciara hemicrypta Shi & Huang, sp. nov., male, holotype. A, left gonostylus, ventral view; B, part of hypopygium, ventral view; C, palpus, lateral view; D, 4 th flagellomere, lateral view. Scale 0.10 mm.

FIGURE 24. Geographical distribution of Prosciara from China.