Last modified: Feb. 23, 2023, 9 a.m.
A very rare and local species in Belgium, nowadays mainly restricted to the Kempen.
A species that is very often confused with the more common Plusia festucae.
Native
Hibernates as a small larva and pupates in a cocoon, spun among the food plant.
The adults come to light.
The adults fly in two generations a year: from late May till late September.
The second generation is partial.
The larva lives on several grasses including: Calamagrostis epigejos, Calamagrostis canescens and Holcus lanatus.