Last modified: Nov. 27, 2023, 2:11 p.m.
A rare species throughout Belgium.
Hibernates as an egg. The first instar larva feeds first in an developing leaf-bud, which show a characteristic pattern of holes between the veins when expanded. Later on in spun leaves, especially those of a terminal shoot. Pupation in a silken cocoon in larval shelter or on soil amongst leaf-litter.
During daylight, it often sits exposed on foliage or trunks. The adults are active from dusk onwards and later come to light.
The adults have been observed from half May towards September.
The larva feeds on Ulmus minor and Ulmus glabra. Its known, if the larva is dislodged from its normal foodplant it accepts other food sources as Acer campestre and Stellaria holostea.
Occurs in suitable habitats where the food plant grows.