Hercostomus beijingensis Yang, 1996

Qian, Xingyang, Wang, Ning & Yang, Ding, 2022, The genus Hercostomus Loew (Diptera, Dolichopodidae, Dolichopodinae) from Inner Mongolia, China, with the description of two new species, ZooKeys 1118, pp. 119-131 : 119

Hercostomus beijingensis Yang, 1996

Fig. 2

Hercostomus beijingensis Yang, 1996: 318. Type locality: China: Beijing, Yingtaogou.

Diagnosis.

Antenna entirely black; postpedicel 1.8 times longer than wide, blunt at tip. Metapleuron yellow. Abdominal tergites 1-3 yellow at lateral margin. All coxae entirely yellow. Male cercus nearly quadrate. Phallus thin and long, apically geniculate.

Specimens examined.

Holotype: male, China, Beijing, Xiangshan, Yingtaogou , 1987.V.30, Ding Yang (CAU) . Other material: 2 males, China, Inner Mongolia, Tongliao, Daqinggou , 200-300m, 2014.VII.22, Ning Wang & Ding Yang (CAU) .

Distribution.

China (Inner Mongolia, Beijing, Henan, Shanxi, Hubei).

Figures

Figures 2 - 5. Habitus, lateral view 2 Hercostomus beijingensis Yang, 1966, male 3 Hercostomus chifengensis sp. nov., holotype male 4 Hercostomus dilatitarsis Stackelberg, 1949, male 5 Hercostomus neimengensis Yang, 1997, female. Scale bars: 1 mm.