Blepharomastix bademusalis is a species of moth in the family Crambidae. It was described by William Schaus in 1924. It is found in Peru.[1]
The wingspan is about 23 mm. The forewings are white, the costa suffused with buffy brown. There is a faint buffy-brown spot in the cell. The postmedial line is faint and buffy brown and there are brown terminal points. The hindwings are white with a faint postmedial line, as well as an interrupted sayal (the color of sackcloth) -brown terminal line.[2]