Last modified: Dec. 25, 2025, 2:28 p.m.
A rare and local species throughout Belgium.
This species is considered Endangered according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a pupa in a tough cocoon underground.
The adults are active during the day and later come to light.
The adults fly from May till the end of August in two generations a year.
The larva lives on Carex, especially Carex sylvatica but also on grasses like Deschampsia cespitosa.