Last modified: May 30, 2024, 12:31 p.m.
A very rare and local species in Belgium, only known from a few locations in the northern part of our country.
Native
The larva feeds internally in the stem, usually in the lower part of the host plant.
The adults are active at night and readily comes to light.
The adults fly usually from mid-June towards mid-September in one generation a year.
The larva feeds on Rumex hydrolapathum, also on Rumex aquaticus and Rumex crispus.
It inhabits wet meadows, peat bogs and fens, sometimes also in dry sandy areas and dunes.