Last modified: May 7, 2024, 5:08 p.m.
A very rare and local species in Belgium, mainly known from the Kempen. Outside this area are probably wanderers.
This species is considered Vulnerable according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a larva and pupates in a thin greyish cocoon inside a stem of reed. The adults come to light.
The adults fly in one generation a year; from mid June till mid August.
The larva lives on Phragmites australis and on lichens and algae growing on dead wood.