Blepharomastix potentalis is a moth in the Crambidae family. It is found in North America, where it has been recorded from Arizona.
The wingspan is about 19 mm. The forewings are whitish, sprinkled lightly with brown scaling. The hindwings are similar in colour, but rather whiter towards the base and with a dark subterminal line.
References
Blepharomastix potentalis Wikipedia(Text) CC BY-SA