Last modified: May 30, 2023, 10:49 a.m.
A rare species in Belgium, though recorded from all provinces. Not so frequently observed in the southern part of the country.
Native
Hibernates as an egg, attached to a leaf of the food plant. Pupates head upwards by a prepared window in a stem.
The adults come to light.
The adults fly in one generation a year; starting from early July till early October, exceptionally later.
The larva lives in the stem of Iris pseudacorus, Typha or similar plant species which grow in the water.