Blepharomastix gigantalis is a moth in the Crambidae family. It was described by Druce in 1895. It is found in Guatemala.
The fore and hindwings are silky-white. The forewings with a brown costal margin, as well as a small spot in the cell and a faint pale brown line at the end of it.
References
Blepharomastix gigantalis Wikipedia(Text) CC BY-SA