Syllepte sulphureotincta is a moth in the Crambidae family. It was described by Hampson in 1918. It is found in Mozambique. The wingspan is about 24 mm. The forewings are white tinged with sulphur-yellow, the base and costal area pale rufous. The antemedial line is dark tinged with yellow, oblique to just below the cell, then erect. There is a dark annulus in the middle of the cell and a discoidal bar tinged with yellow and filled in with white. The postmedial line is dark tinged with yellow, excurved and waved between veins 5 and 2, then retracted to below the angle of the cell and angled outwards below the submedian fold. There is a similar faint line beyond it and a red-brown terminal line. The hindwings are white, the terminal area tinged with sulphur-yellow except at the tornus. There