Last modified: May 7, 2024, 5:15 p.m.
A local and not-so-common species throughout Belgium, restricted to wet biotopes. More observed in the northern part of the country.
This species is considered Vulnerable according to the IUCN Red List category for Flanders 2023.
Native
The larva feeds in stems and roots of various marshland plants. Overwinters as an egg and pupates in a flimsy cocoon in leaf litter.
The adults come to light, sugar and also flowering grasses.
The adults fly from late June till end September in one generation.
The larva feeds on various marshland plants as: Iris pseudacorus, Acorus calamus, Cladium mariscus, Glyceria maxima, Carex acutiformis or others.