Last modified: May 7, 2024, 7:38 p.m.
A fairly common species throughout Belgium. Numbers can fluctuate heavily from year to year.
This species is considered Near Threatened according to the IUCN Red List category for Flanders 2023.
Native
The larva lives between spun leaves. Hibernates as an egg.
Pupation in a cocoon among debris.
The adults come to light and sugar.
The adults fly in one generation a year; from early June till late August, with a peak around end June and beginning of July.
The larva lives on Ulmus, but also on other deciduous trees and shrubs such as Crataegus, Prunus spinosa and Malus.