Two new species of subgenusSivatipula from China (Diptera: Tipulidae: Tipula) Author Men, Qiu-Lei School of Life Sciences, Province Key Laboratory of the Biodiversity Study and Ecology Conservation in Southwest Anhui, Anqing Normal University, Anqing, Anhui 246011, P. R. China; e-mail: menqiulei 888 @ 126. com. Corresponding author. Author Xue, Guo-Xi School of Food and Bioengineering, Zhengzhou University of Light Industry, No. 5 Dongfeng Road, Zhengzhou, Henan 450002, P. R. China. Author Yang, Xue-Meng Administrative Bureau of Dayaoshan National Nature Reserve, Jinxiu County, Guangxi Zhuang Autonomous Region 545700, P. R. China. text Acta Entomologica Musei Nationalis Pragae 2016 2016-11-15 56 2 805 811 journal article 4651 10.5281/zenodo.5310566 ad84806a-d65f-4ef4-b906-1fd44381a126 0374-1036 5310566 01C76A24-371D-464D-BFC7-5825FB3C2758S Tipula ( Sivatipula ) similis Men , sp. nov. ( Figs 17–28 ) Type locality. China , Guangxi Zhuang Autonomous Region, Dayaoshan National Nature Reserve, Lianhuashan Mountain, 24°09′N , 110°07′E . Type material. HOLOTYPE : J, ‘ China : Guangxi Zhuang Autonomous Region , Jinxiu County , Dayaoshan National Nature Reserve , Lianhuashan Mountain , 14. V. 2016 , Guoxi Xue coll. / HOLOTYPE [red] male, Tipula ( Sivatipula ) similis sp. nov. Men det., 2016’. PARATYPE : 1J, same data as the holotype except from the collector being Qiulei Men. Paratype bears the following label: ‘ PARATYPE [yellow] male, Tipula ( Sivatipula ) similis sp. nov. Men det., 2016’. Diagnosis. General colouration orange-yellow; antenna distinctly longer than body; prescutum orange-yellow with three light brown stripes; wing pale brown with a dark brown stigma; abdomen orange with segments six and seven black; hypopygium orange, tergite nine with two finger-like processes medially, ventrolateral portions of tergite nine projected into two lobes, densely covered with black setae, outer gonostylus curved squarely. Description. Male. Length: body 17.4–17.6 mm (not including antenna, n = 2), wing 21.2–21.4 mm (n = 2), antenna 22.0– 22.1 mm (n = 2). Head stramineous. Rostrum light brown with a light brown nasus. Vertex without marking ( Fig. 17 ). Eye black. Antenna: 12-segmented, distinctly longer than body; scape light yellow, expanded apically; pedicel light yellow; flagellomeres light brown, subequal in length, with abundant black verticils. Palpus light brown. Thorax with pronotum entirely orange-yellow ( Fig. 18 ). Prescutum stramineous with three light brown stripes ( Fig. 18 ). Scutum, scutellum and postnotum orange-yellow. Pleuron entirely bright yellow with a black spot ( Fig. 20 ). Legs slender, coxae and trochanters stramineous, femora stramineous with light brown tip, tibiae and tarsi light brown. Haltere with stem yellow, knob brown. Wing pale brown, cell sc darker than ground color, stigma dark brown. Rs relatively short, subequal to R 3 in length, petiole of cell m 1 slightly longer than m-m, slightly shorter than the length of discal cell ( Fig. 19 ). Abdomen bright yellow on basal two segments, gradually changing to light brown on following segments, segments six and seven almost entirely black ( Fig. 21 ). Hypopygium broad, compressed in lateral view ( Fig. 22 ). Tergite nine shallowly emarginated at posterior margin, two finger-like processes arising from the median region, apically provided with many black setae on dorsal side ( Figs 23–24 ); lateral sides of tergite nine with numerous long hairy setae ( Figs 23–24 ); ventrolateral portions of tergite nine projecting into two lobes, densely covered with black setae ( Figs 23–24 ). Sternite nine broader than tergite nine, median region of sternite nine protruding into a membranous extension ( Figs 22–23 ). Outer gonostylus narrow, flattened, apical one-third curved squarely and gradually narrowed to end, many black setae densely covered on inner side in lateral view ( Figs 25–26 ). Inner gonostylus flattened, narrowed basally, terminating into a small, horn-shaped process ( Figs 25–26 ). Semen pump with compressor apodeme V-shaped, the arm expanding apically ( Figs 27–28 ). Posterior immovable apodeme with one arm, gradually narrowing towards apex and curved cephalad in lateral view, the arm deeply grooved in dorsal view ( Fig. 27 ). Anterior immovable apodeme flattened. Aedeagus elongated, tubular, acute apically ( Fig. 27 ). Differential diagnosis. We compared the new species with all known congeneric species, based on published descriptions and illustrations, and found that it is most similar to T . ( S .) biprocessa , another species recorded from Guangxi Zhuang Autonomous Region, China , by the color of body and the structures of hypopygium. It can be easily distinguished from the latter by the shallowly emarginated posterior margin of tergite nine, which bears two finger-like processes covered with many black setae as illustrated in Figures 23–24 (posterior margin of tergite nine rounded, with two finger-like processes lacking black setae in T . ( S .) biprocessa as figured in XUE & MEN (2016 : Fig. 18 )). There is also a noticeable difference in the shape of outer gonostylus, which is curved squarely on apical one-third in new species, but bent obtusely on apical two-fifths in T . ( S .) biprocessa . Etymology. The specific epithet is the Latin adjective similis (- is , - e ), meaning similar, emphasizing the morphological similarity of the new species and its relatives. Distribution. China ( Guangxi Zhuang Autonomous Region).