Last modified: June 4, 2024, 11:58 a.m.
A rare species in Belgium, most frequently observed along the coast and in the northern provinces.
This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a part-grown larva in a stem of the food plant. Pupates in a tough cocoon among plant debris.
The adults are active from dusk onwards and later come to light and also on sugar.
The adults fly from mid-June till late August in one generation.
The larva lives in the stems of Calamagrostis epigejos.