Last modified: May 7, 2024, 10:58 a.m.
This very rare, local and declining species has not been seen in Belgium for a long time.
This species is considered Regionally Extinct according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as an egg and pupates in a stem of the food plant. The adults are active from dusk and later come to light, especially the males.
The adults fly from early July till late September in one generation.
The larva lives inside a stem on: Typha, Iris pseudocorus or Schoenoplectus lacustris.