Last modified: May 25, 2023, 7:38 p.m.
A very rare and local species in Belgium, only known from observations before 1980 in LX and LG. Since 2010, several observations became known from 2 southern provinces.
Onwards from 2015, a healthy population occurs at the river Semois near Laforêt (NA).
The moths come to light.
The adults fly from May till August.
The larva lives on various lichens. Hibernates as a larva.