Seventeen species of the genus Hybos Meigen have been previously known to occur in Northwest China. Two more species of Hybos are added to this region： Hybos diebuensis sp. nov. and Hybos triseta sp. nov. An updated key to species of Hybos from Northwest China is presented.
Four species of the genus Hybos Meigen were previously known to occur in Northeast China. The following two species of Hybos are added to this region： Hybos changbaishanus sp. nov. and Hybos emeishanus Yang Yang, 1989. A key to the known species of Hybos from Northeast China is provided.
Previously only one species in the subgenus Coptophlebia was known from Vietnam. Here the following three new species are added to the fauna of Vietnam： Empis（Coptophlebia） bicoloripes sp. nov., E.（C.） longisetosa sp. nov., and E.（C.） wangi sp. nov.. A key to the species in this subgenus from Vietnam is presented.
The genus Parahybos is newly recorded from Tibet. The following two new species are described： Parahybos breviprocerus sp. nov. and P longiprocerus sp. nov.
