The genus Cheilosia (Diptera: Syrphidae: Rhingiini) of Nepal is reviewed. We recorded 37 species Cheilosia, which 29 are described here. Twenty-six the new classified to a subgenus: (Cheilosia) angusta sp. nov., C. (C.) falcata hauseri maculata pica pilivena spinosa spuria weiperti (Montanocheila) albipicta (M.) alpha brevimontana gilva minuscula nigella pernigra picta (Floccocheila) collis (F....