Appearance
The moth is about 15–22 mm. Adults are on wing in July in western Europe and from June to August in North America. Adults have shiny yellowish-tan forewings with two white-ringed dark brown dots and some dark brown shading near the apex. The hindwing is tan shaded with gray.
Food
The larvae feed inside the seedheads of ''Typha'' species, including ''Typha angustifolia'' and ''Typha latifolia''. There are indications that young larvae mine in the spongy tissue of the leaf sheaths. The larvae have a whitish or pale tan body with a brown dorsal line. The dorsolateral and ventrolateral lines are composed of light brown irregular patches. The head is brown with darker brown spots and there are brown spots on the terminal abdominal segment.References:
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