Abstract
The genus Dirrhagofarsus is firstly recorded from Korea with three species: Dirrhagofarsuslewisi (Fleutiaux, 1900), Dirrhagofarsusmodestus (Fleutiaux, 1923), and Dirrhagofarsusunicolor (Hisamatsu, 1960). A key to Korean species of Dirrhagofarsus, with diagnoses, redescriptions, and photographs of important structures is provided. In this work, Dirrhagusmodestusf.unicolor Hisamatsu, 1960 is regarded as a valid species, Dirrhagofarsusunicolor (Hisamatsu, 1960), comb. n.