Schoenobius irrorata is a moth in the family Crambidae.

[1] It is found in Paraná, Brazil.

The forewings are ochreous, tinged with red brown and irrorated (speckled) with dark brown and with a brown costal edge.

The subterminal line is brownish and the termen is more strongly tinged with brown.

The hindwings are silvery white with a subterminal series of reddish-brown spots and a terminal series of more distinct spots.