Nilotanypus polycanthus Cheng & Wang 2006, sp. n.
Creators: name: Cheng, Ming
name: Wang, Xinhua
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Nilotanypus
Nilotanypus polycanthus

description: Nilotanypus polycanthus sp. n.   
(Figs. 3–6)  
 Type material   
Holotype male slide mounted in Canada balsam, CHINA: Fujian Province, Yongtai County, 17.ix.2002, light trap, Z. Liu (BDN No. 20438). Paratypes: 11 males, same data as for holotype; 4 males, Fujian Province, Jianning County, 26.ix.2002, light trap, Z. Liu; 15 males, Yunnan Province, Lijiang County, Shigu Town, Chongjianghe River, 25.v.1996, light trap, B.X. Wang; 7 males, Yunnan Province, Lijiang County, Shigu Town, Chongjiang River, 25.v.1996, light trap, C.F. Zhou; 11 males, Sichuan Province, Xiangcheng County, Shuoquhe River, 12.vi.1996, light trap, X.H. Wang; 1 male, Guizhou Province, Daomai County, Dashahe River Natural Conservation Area, 25.viii.2004, light trap, X. Yu; 1male, Guangdong Province, Fengkai County, Heishiding Natural Conservation Area, 20.iv.1988, light trap, X.H. Wang; 1male, Hainan Province, Lingshui County, Diaoluo Township, 20.v.1988, light trap, X.H. Wang.  
 Etymology   
 From Greek, poly­, many and akantha, thorn, referring to the pseudospurs on the fore tarsi.   
 Diagnostic characters   
 The new species can be distinguished from other members of the genus by having pairs of pseudospurs on fore ta 1 –ta 4 and by the unique color pattern of the abdomen.   
 Discription   
Male (n = 52). Total length 1.39–2.15, 1.8 mm. Wing length 0.8–1.28, 1.06 mm. Total length/wing length 1.44–1.86, 1.7. Wing length/length of profemur 2.56–3.63, 3.03.  
 Coloration. Head including antenna brown. Thorax almost uniformly brown. Tergites I–V yellow, tergites VI–VIII brown, hypopygium brown (Fig. 3). Legs pale brown, femur and apex of all tibiae with brown ring. Wing without marks.   
 Head. AR 0.35–0.65, 0.53. Temporal setae 12, including 10 verticals and 2 postorbitals. Clypeus with 10–23, 15 setae. Tentorium 80–130, 111 µm long; 15–25, 20 µm wide. Palpomere 1–5 lengths (in µm): 15–35, 30; 20–35, 26; 48–80, 67; 80–120, 103; 110–195, 144.   
 Wing (Fig. 4). VR 0.61–0.86, 0.69. Brachiolum with 2 long setae. Squama with 14–25, 19 setae.   
 Thorax. Antepronotals 2–4, 4; dorsocentrals 5–9, 7; acrostichals 12–21, 17; prealars 8–14, 11. Scutellum with 6–10, 7 setae.   
 Legs. Spur on fore tibiae 20–43, 34 µm long; apex of fore ta 1 –ta 4 each with 2 pseudospurs (Fig. 5). Spur on mid tibiae 33–48, 41 µm long, spur on hind tibiae 38–58, 47 µm long; comb on hind tibia with 8 short setae. Lengths (in µm) and proportions of legs as in Table 1.   
 Hypopygium (Fig. 6). Tergite IX straight, with 3 setae laterally on each side. Anal point conical. Gonocoxite 65–100, 79 µm long, cylindrical, outer margin convex with 9 setae. Gonostylus 43–70, 57 µm long, simple and slender. HR 1.08–1.67, 1.38. HV 1.73–3.48, 3.12.   
Female, pupa and larva: Unknown.  
 Distribution   
The species was collected in the Fujian, Guangdong, Guizhou, Hainan and Yunnan provinces in Oriental China.
description: Published as part of Cheng, Ming & Wang, Xinhua, 2006, 1 H, 13 C and 15 N resonance assignments of telomeric repeat-binding domain ofArabidopsis thaliana, pp. 49-53 in Zootaxa 1193 on pages 49-53, DOI: 10.13018/bmr6727, http://zenodo.org/record/5064344