Last modified: Sept. 16, 2023, 11:17 a.m.
A fairly common species throughout Belgium. Numbers can fluctuate heavily from year to year.
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.