Last modified: Sept. 2, 2024, 9:05 a.m.
A very rare and local species in Belgium.
Native
Variable species. Forewing white with dark pattern which varies in strength and extent but normally consists of 2 longitudinal stripes in the inner part, oblique stripe from the front edge 2/3 out, spot at the rear edge and dark spot and dark scales far out.
Hibernation as egg or young larva.
Adults are on the wing during May and June and probably during July and August.