Dasyhelea ludingensis Zhang & Yu

Dasyhelea ludingensis Zhang & Yu Dasyhelea ludingensis Zhang & Yu, 1996, 18(3): 202. Type locality: China: Sichuan, Luding. Dasyhelea (Prokempia) ludingensis: Yu et al., 2005. Ceratopogonidae of China (Insecta, Diptera): 213. 3.1. Redescription Diagnosis. Female: Body pale brown to dark brown. Head dark brown. Scutum dark brown uniformly (Figure 2 A) or with yellow lines (Figure 2 B), spots (Figure 2 C) or areas (Figure 2 D–F). Scutellum yellow-green, postscutellum pale brown. Halteres light brown, with white knob. Abdomen brown, membranes between sclerites and abdominal segments yellow. Legs light brown. Description. Female: Eyes pubescent (Figure 3 A, 4 A–C), separated by less than 1 facet (Figure 3 B, 4 A, C). Frontal sclerite rhombic, with long processes (Figure 3 B, Figure 4 A). Antenna with 13 flagellomeres, without sculptured; flagellomeres cylindrical, with sensilla chaetica, sensilla trichodea and sensilla basiconica, terminal flagellomere without apical papilla (Figure 3 A, 4 D–F); AR 0.75–0.87 (0.80, n = 22). Apex of labrum with sensilla trichodea (Figure 4 G). Maxillary palp with 5 segments (Figure 3 C); segment 3 cylindrical, with 6–8 capitates sensillae scattered on the basal half surface (Figure 4 H); segment 5 subcylindrical, with long setae (Figure 4 I); PR 2.13–3.33 (2.87, n = 22). Clypeus with 3 pairs of setae (Figure 3 C). Thorax. Scutum dark brown uniformly (Figure 2 A) or with yellow lines (Figure 2 B), spots (Figure 2 C) or areas (Figure 2 D–F). Scutellum with 6–7 setae (Figure 4 J). Wing (Figure 3 D) membrane with microtrichia, macrotrichia especially on veins, distal portion and along wing margin; costa extending to about mid–length of wing; 1st radial cell completely obliterated, 2nd radial cell rectangular; wing length 0.69–0.88 (0.79, n = 22) mm, wing width 0.28–0.38 (0.34, n = 22) mm, CR 0.50–0.54 (0.52, n = 22). Legs light brown; tarsi with 5 tarsomeres, claws small, equal-sized, slightly curved inside, (Figure 4 K); hind tibia with 5–7 terminal spines (Figure 3 E, Figure 4 L); prothoracic tarsal ratio 1.77–2.64 (1.99, n = 22); mesothoracic tarsal ratio 2.06–2.40 (2.26, n = 22); metathoracic tarsal ratio 1.97–2.41 (2.12, n = 22). Abdomen. Brown. One ovoid spermatheca, measuring 27.50–55.00 (45.00, n = 22) μm×22.50–35.00 (30.00, n = 22) μm, with short and twisted neck and the subgenital plate arch-shaped. (Figure 3 F). Cerci ovoid. Male. Unknown 3.2. Distribution China (Beijing, Shanxi, Shandong, Henan, Shaanxi, Anhui, Jiangsu, Zhejiang, Jiangxi, Hunan, Hubei, Sichuan, Chongqing, Guizhou, Yunnan, Fujian, Taiwan, Guangdong, Guangxi, Hainan, Hong Kong).