Blepharomastix irroratalis is a species of moth in the family Crambidae. It was described by George Hampson in 1907. It is found in Guatemala.[1]
The forewings are whitish, tinged and irrorated (speckled) with yellow brown, the costal area and terminal area suffused with brown. There are traces of a dark antemedial line and there is a slight dark discoidal lunule, as well as a faint, dark, postmedial, minutely waved line. There is a terminal series of slight dark points. The hindwings are tinged with ochreous and there is a faint dark discoidal lunule, as well as traces of a postmedial line and some slight dark points on the termen towards the apex.[2]