Appearance
The wingspan is 7–9 mm. The forewings are black to dark reddish brown with five white crescents along the costal margin and a large crescent at the center of the inner margin. The hindwings are dark gray with long hair-like fringe scales. Adults are on wing from early May to early November.
Food
The larvae feed on "Cyperus esculentus". They bore in the stems and leaf sheaths of their host plant.References:
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