The genus Dolichocephala newly found in Shaanxi Province (China), with descriptions of three new species (Diptera: Empididae) Author Liu, Xiaoyan Author Wang, Mengqing Author Yang, Ding text Zootaxa 2014 3841 3 439 445 journal article 10.11646/zootaxa.3841.3.8 58d1c4ed-8ca6-4355-a09b-59a8a9d8ff61 1175-5326 229343 E3AFCAD4-E414-4F56-9F37-CD7F9677EC93 Key to species of Dolichocephala from China (modified from Yang 2008 ) 1 Wing with many small white spots ( Fig. 5 ); clasping cercus rather wide, not finger-like or spine-like ( Fig. 6 )............. 2 – Wing with 6–8 large, distinct white spots ( Figs 1 , 3 ); clasping cercus rather narrow, finger-like or spine-like ( Figs 2 , 4 )..... 4 2 Hypandrium with a wide tuft of loose bristles at apex; dorso-apical corner of clasping cercus obtuse.................... 3 – Hypandirum with a narrow bundle of tight bristles at apex; dorso-apical corner of clasping cercus somewhat acute ( Fig. 6 ).................................................................................... D. qinlingensis sp. nov. 3 Male cercus nearly quadrate, with a small inner process basally; epandrial lamella without antero-dorsal process................................................................................................... D. sinica Horvat – Male cercus somewhat triangular without inner process basally, but with nearly acute posterior corner; epandrial lamella with short antero-dorsal process................................................................. D. irrorata Fallén 4 Wing with only six large white spots; clasping cercus relatively thick, finger-like................................... 5 – Wing with 7–8 large white spots ( Figs 1 , 3 ); clasping cercus thin, spine-like ( Figs 2 , 4 ).............................. 7 5 Thoracic pleuron with a blackish dorsal stripe; clasping cercus strongly curved inward and nearly geniculate; distiphallus nar- row in dorsal view..................................................................................... 6 – Thoracic pleuron without dorsal stripe; clasping cercus weakly curved inward apically and not geniculate; distiphallus very wide or broad in dorsal view...................................................... D. orientalis Yang, Zhu & An 6 Mesonotum blackish; clasping cercus with a separate tubercle at base; basiphallus rather wide with angulate posterior process in lateral view.................................................... D. guangdongensis Yang, Grootaert & Horvat – Mesonotum dark yellow with anterior and lateral portions blackish; clasping cercus without separate tubercle at base; basiphal- lus rather narrow without angulate posterior process in lateral view.............................. D. hainanensis Yang 7 Wing with 7–8 large white spots all rounded ( Figs 1 , 3 ); tarsi apically dark brown.................................. 8 – Wing with eight white spots (middle spot in anterior row and outer two spots in posterior row not rounded); tarsi entirely dark brown......................................................................... D. cuiae Yang, Zhang & Yao 8 Wing with eight hyaline spots, apical spot (in cell r5) large and distinct ( Fig. 3 ); clasping cercus long spine-like, distinctly lon- ger than width of epandrial lamella ( Fig. 4 ).................................................... D. longa sp. nov. – Wing with seven hyaline spots, apical spot (in cell r5) very small and indistinct ( Fig. 1 ); clasping cercus short spine-like, shorter than width of epandrial lamella ( Fig. 2 )................................................. D. brevis sp. nov.