Rehimena straminealis is a moth in the family Crambidae.

The forewings are pale straw, rather darker on the costa.

There is a black dot in the cell and a hook-shaped mark below it on the inner margin, as well as a black spot at end of the cell.

The postmedial band is indicated by short black streaks on veins 1 to 7.

The hindwings have black streaks on veins 2 to 7 and some black specks between veins 1 and 2, as well as a black cloud on the outer margin near the apex.