
Appearance
The moth has a wingspan of 13–19 mm. Its habitat is damp marshy regions with adults flying in June and July. Adults are very similar to ''Bactra lancealana''. Meyrick describes it - Forewings slightly narrower than in ''Bactra lancealana'', costa straighter ; light ochreous or ochreous-brownish, indistinctly darker-strigulated ; basal patch, central fascia, and an apical streak darker ochreous or brown, indistinct, sometimes nearly obsolete. Hindwings are grey.The larva is shining green;head black, with a whitish line ; plate of 2 dark brown. Julius von Kennel provides a full description.Food
The larvae feed within the stems of various rushes, such as ''Schoenoplectus lacustris'' and ''Juncus conglomeratus'', hollowing out the stem.References:
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