Last modified: Jan. 23, 2024, 5:07 p.m.
A fairly common species throughout Belgium, sometimes abundant in the suited biotopes.
Native
The larva lives in the stem. Pupation takes places in a slight cocoon in the larval feeding place.<br<The adults come readily to light.
The adults fly in two overlapping generations and have been seen from late April towards November. Most observations during May and July.
The larva lives on Juncus articulatus, Juncus conglomeratus, Juncus sp., Schoenoplectus lacustris, Trichophorum cespitosum, Cyperus longus, Cyperus sp., Eriophorum angustifolium, Eriophorum sp. Possibly also on Scirpus and Carex riparia.
It inhabits damp areas.