Nephrotoma Meigen (Diptera, Tipulidae) from Xinjiang, China Author Ren, Jinlong Author Yang, Ding text Zootaxa 2017 2017-11-24 4353 3 551 567 journal article 31329 10.11646/zootaxa.4353.3.9 99a3b113-9858-49be-be97-b1877966af34 1175-5326 1065866 54994B62-EFE6-4962-82A3-3B4BD5B29ED6 Key to species male species of Nephrotoma from Xinjiang , China 1 Lateral prescutal stripe straight ( Fig. 2 ).................................................................... 2 - Lateral prescutal stripe curved outward ( Figs. 5 , 13 , 16 , 32 , 40 )................................................ 3 2 Isolated spot beneath anterior end of lateral prescutal stripe present; sternite 8 apically with a spiky middle projection; lobe of gonostylus short and partly sclerotized ( Figs. 1, 2 ) ( Oosterbroek 1978: p. 63, figs. 89, 92, 96A ).... N. aculeata ( Loew, 1871 ) - Isolated spot beneath anterior end of lateral prescutal stripe absent; sternite 8 apically widely V-shaped at middle, with tuft of long golden hairs; lobe of gonostylus slender and fleshy ( Oosterbroek 1979b : p. 169, figs. 10, 12)................................................................................................ N. quadristriata ( Schummel, 1833 ) 3 Sternite 8 with a middle appendage ( Figs. 35 , 43 ) ( Yang & Yang 1987: p. 244, Fig. 3A ).............................. 4 - Sternite 8 without middle appendage ( Figs. 8 , 19 ) ( Tangelder 1984: p. 28, Fig. 17 )................................. 8 4 Projection of sternite 8 acute at apex; wing tip with numerous small macrotrichiae ( Fig. 41 ) ( Oosterbroek 1978: p. 70, fig. 10 3 )................................................................................ N. tenuipes ( Riedel, 1910 ) - Projection of sternite 8 blunt at apex; wing tip with some small macrotrichiae...................................... 5 5 Tergite 9 darkened with a sickle-shaped pale yellow spot in front of posterior projection; mid-posterior margin of sternite 8 sunken ( Figs. 35, 36 ) ( Oosterbroek 1979b : p.175, figs. 59–61, 65–59)............. N. lundbecki lundbecki ( Nielsen, 1907 ) - Tergite 9 without spot; mid-posterior margin of sternite 8 flattened or convex ( Fig. 14 ) ( Yang & Yang 1987 : p. 244, Fig. 3A ; Oosterbroek 1978 : p. 103, figs. 160A, 160B; Alexander 1925 : p. 403)........................................... 6 6 Posterior extension of tergite 9 shallowly incised, without lateral projection; mid-posterior margin of sternite 8 with small projection ( Yang & Yang 1987: p. 244, Figs. 3A, 3B )............................. N. xinjiangensis Yang and Yang, 1987 - Posterior extension of tergite 9 deeply incised, with lateral projections; mid-posterior margin of sternite 8 with relatively long projection ( Oosterbroek 1978 : p. 103, figs. 157, 160A, 160B; Alexander 1925 : p. 403).............................. 7 7 Occipital marking extending up to top of vertex; median projection of sternite 8 knob-like at tip (fig. 13) ( Oosterbroek 1978: p.103, figs. 156A, 156B, 160A, 160B )...................................... N. cornicina cornicina ( Linnaeus, 1758 ) - Occipital marking not extending to top of vertex; median projection of sternite 8 subtruncate at tip ( Alexander 1925: p. 403 )................................................................................ N. ligulata Alexander, 1925 8 Wing without distinct shades; caudo-ventral surface of sternite 9 with broad lateral plates and a ventrally directed medisternal appendage ( Tangelder 1984: p. 28–29, Fig. 16 ).......................................... N. pjotri Tangelder, 1984 - Wing with shade at basal part of vein R4+5 and cross vein r-m; medisternal appendage of sternite 9 absent ( Figs. 6 , 8 , 17 , 19 )..................................................................................................... 9 9 Posterior extension of tergite 9 deeply depressed with two conical projections bearing short tines; sternite 8 clothed with long golden hairs ( Figs. 6 , 8, 9 ) ( Oosterbroek 1979b : p. 140, figs. 8A).......................... N. analis ( Schummel, 1833 ) - Posterior extension of tergite 9 slightly depressed with four projections bearing tiny black spines; sternite 8 clothed with small hairs ( Figs. 17 , 19, 20 )................................................................. N. kanasensis sp. nov.