Last modified: Nov. 12, 2023, 12:07 p.m.
A rather common species throughout Belgium.
Native
Wingspan 14-18 mm. Basal fascia obsolete, subbasal fascia reduced to a dorsal blotch or absent, median fascia and postmedian spot either obscured in a clearly demarcated dark distal half of the wing or median fascia, or developed at costal end and fused with subapical spot to form a triangular costal blotch.
A variable species with different forms described.
The larva lives under a folded leaf-edge or between spun leaves of the food plant. Pupation in the larval feeding place, or amongst dead leaves on the ground.
The moths are active at dusk and later come to light.
The adults fly from late June till well in November.
It is widely spread.