Brief SummaryRead full entry
BiologyAdults of this single brooded species are active in late July and August. Males fly after sunrise for around an hour and again after dusk when they are occasionally attracted to light (2). Females are not often seen. Caterpillars are active between May and early July (2) and feed on creeping willow (Salix repens) in England and short re-growth aspen in Scotland (1). The overwintering stage is the egg (2).