Dolichocephala
Creators: name: Liu, Xiaoyan
name: Wang, Mengqing
name: Yang, Ding
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Empididae
Dolichocephala

description: 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.
description: Published as part of Liu, Xiaoyan, Wang, Mengqing & Yang, Ding, 2014, The genus Dolichocephala newly found in Shaanxi Province (China), with descriptions of three new species (Diptera: Empididae), pp. 439-445 in Zootaxa 3841 (3) on page 440, DOI: 10.11646/zootaxa.3841.3.8, http://zenodo.org/record/229343