Six new species of Tipula (Vestiplex) Bezzi (Diptera, Tipulidae) from Tibet Author Yang, Qi-cheng 9CB67D26-5876-4E98-BEB4-B90C61F7BD88&9EF6D28F-C1F7-44EC-9331-386E8CAD95F9 Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science & Technology of Huazhong Agriculture University, Wuhan, Hubei, 430070, China. Plant Protection College, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China. Institute of Plateau Ecology, Tibet Agriculture & Animal Husbandry University, Linzhi, Xizang, P. R. 860000, China. China Agricultural University, Beijing, 100193, China. qichengyang@foxmail.com&liyan_syau@163.com Author Pan, Zhao-hui 7A386EA0-4805-4697-9225-091FEE032D13 panzhaohui2005@163.com Author Liu, Xiao-yan 40D23499-5993-4067-BF84-22907C5C8B47 Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science & Technology of Huazhong Agriculture University, Wuhan, Hubei, 430070, China. Plant Protection College, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China. Institute of Plateau Ecology, Tibet Agriculture & Animal Husbandry University, Linzhi, Xizang, P. R. 860000, China. China Agricultural University, Beijing, 100193, China. liuxiaoyan@mail.hzau.edu.cn;yangding@cau.edu.cn Author Yang, Ding FD9077E0-D8D5-4A3A-80FD-2862726AA066 liuxiaoyan@mail.hzau.edu.cn;yangding@cau.edu.cn text European Journal of Taxonomy 2021 2021-08-27 764 1 152 192 http://dx.doi.org/10.5852/ejt.2021.764.1477 journal article 4095 10.5852/ejt.2021.764.1477 e9baa250-ec84-440f-96bf-06b55f6738e3 2118-9773 5514464 8B5799F9-487D-4A9F-BF9F-54ADA06056FF Tipula ( Vestiplex ) zayulensis Alexander, 1963 Figs 30–38 Tipula ( Vestiplex ) zayulensis Alexander, 1963: 328 . Type locality: China : Tibet , Zayul. Diagnosis Occipital stripe dark brown, middle wide, anterior part extended to vertex. All sterno-pleurites with dark brown margins. Tergite 9 longitudinally divided into two parts, posterior margin with long setae, and a bridge between them, a pair of angular arms arising from ventral surface of tergite 9. Inner gonostylus with concavity at middle, concavity with many bristles, lower margin of concavity with bristled raise; base of inner gonostylus inward-rolled, enwrapped black and swollen lower beak; upper beak relatively obtuse, slightly recurved. Material examined CHINA • 1 ♂ ; Tibet , Chayu , Longgucun (AE古村); 28°50′44″ N , 97°29′29″ E ; 2640 m a.s.l. ; 7 Jul. 2015 ; Shaolin Han leg.; CAU • 2 ♂♂ ; Tibet , Chayu , Shuidianqiao (水ΨΚ); 28°39′60″ N , 97°28′07″ E ; 2640 m a.s.l. ; 12 Jun. 2019 ; Qicheng Yang leg.; sweeping net ; CAU • 1 ♂ ; Tibet , Chayu County ; 28°39′49″ N , 97°27′52″ E ; 2337 m a.s.l. ; Jun. 2020 ; Hui Wang leg.; CAU . Redescription Male MEASUREMENTS. Body length 18.5 mm, wing length 20.0 mm, antenna length 4.0 mm (n = 3). HEAD ( Figs 30, 32 ). Mainly yellow. Occipital stripe dark brown, middle wide, anterior part extended to vertex. Rostrum and nasus yellow, nasus long. Setae on head dark brown. Scape yellow, pedicel pale yellow, flagellum yellowish brown. Proboscis and palpus yellowish dark brown. Figs 30–32. Tipula ( Vestiplex ) zayulensis Alexander, 1963 , ♂ (CAU). 30 . Habitus, lateral view. 31 . Wing. 32 . Habitus, dorsal view. Scale bars = 1.0 mm. Figs 33–38. Tipula ( Vestiplex ) zayulensis Alexander, 1963 , ♂ (CAU). 33 . Hypopygium, lateral view. 34 . Outer gonostylus, lateral external view. 35 .Appendages of sternite 9, lateral view. 36 . Inner gonostylus, lateral external view. 37 . Tergite nine, dorsal view. 38 . Hypopygium, ventral view. Abbreviations: see Material and methods. Scale bars: 33, 37–38 = 0.5 mm; 34–36 = 0.1 mm. THORAX ( Figs 30, 32 ). Mainly brownish yellow, heavily gray pruinescence. Pronotum yellowish brown, middle and both side each with brown spot. Prescutum yellowish brown with four brown stripes, all stripes with dark brown margins. Scutum yellowish brown with four dark brown spots. Scutellum yellowish brown with dark brown mid-longitudinal stripe. Mediotergite brown with dark brown midlongitudinal stripe. Thoracic pleuron brownish yellow. All sterno-pleurite with dark brown margins. Setae on thorax yellow. Legs with coxae yellow, femora with dark brown tips; tibiae and tarsi dark brown. Setae on legs dark brown. Wing variegated pale brown; pterostigma brown; petiole of cell m 1 distinctly shorter than discal cell ( Fig. 31 ). Halter with stem yellow, knob greyish black. ABDOMEN ( Figs 30, 32 ). Mainly yellow. Abdominal tergites each with three stripes, middle stripe brown, bilateral stripes black. Abdominal segments 6–9 dark black. Setae on abdomen brownish yellow. HYPOPYGIUM ( Figs 33–38 ). Gonocoxite slightly elongated, separated from sternite 9. Tergite 9 longitudinally divided into two parts, posterior margin with long setae, and a bridge between them, a pair of angular arms arising from ventral surface of tergite 9. Sternite 9 with a pair of very short appendages, as shown in figure, with a long seta ( Fig. 35 ), covered by inner gonostylus and not visible in the lateral external view. Outer gonostylus relatively small, posterior margin basally slightly wide ( Fig. 34 ). Inner gonostylus with concavity at middle, concavity with many bristles, lower margin with bristled raise; base of inner gonostylus inward-rolled, enwrapped black and swollen lower beak; upper beak relatively obtuse, slightly recurved ( Fig. 36 ). Female Described by Alexander (1963) . Distribution China : Tibet .