Hercostomus

Hercostomus is a genus of flies in the family Dolichopodidae. It is a large genus, containing more than 483 species worldwide. Multiple studies have shown that Hercostomus is a polyphyletic assemblage of species.

==Species groups== The genus currently includes the following species groups, at least 25 of which are known from China: Hercostomus abnormis group – China Hercostomus absimilis group – China Hercostomus albidipes group – China Hercostomus apiculatus group – China Hercostomus baishanzuensis group – China Hercostomus biancistrus group – China Hercostomus crassivena group – China Hercostomus curvus group – China Hercostomus cyaneculus group – China Hercostomus digitatus group – China Hercostomus digitiformis group – China Hercostomus fatuus group – China Hercostomus flavimaculatus group – China Hercostomus flaviventris group – China Hercostomus fluvius group – China Hercostomus hamatus group – China(?) Hercostomus incisus group – China Hercostomus intactus group – China Hercostomus longicercus group – China Hercostomus longus group – China Hercostomus nanlingensis group – China Hercostomus plagiatus group – Palearctic Hercostomus prolongatus group – China Hercostomus quadriseta group – China Hercostomus shennongjiensis group – China(?) Hercostomus subnovus group – China Hercostomus takagii group – China Hercostomus ulrichi group – China