Lordiphosa denticeps SpeciesGroup from Yunnan,China:Description of Four New Species,and Phenomena of Geographical Replacement (Diptera:Drosophilidae)

Four new species of Lordiphosa denticeps species-group are reported from Yunnan,China,namely Lordiphosa gruicollara sp.nov.,Lordiphosa eminens sp.nov.,Lordiphosa incidens sp.nov and Lordiphosa piliferous sp.nov.The distribution of the species of denticeps species-group shows distinct geographical replacement.