Records thin out towards urbanised areas. This is normally a single-brooded species. The small second peak of September adults has developed since the end of the 1990s - prior to then it seems to have been a univoltine species. Adult colour fades rapidly and most captured moths are white!
Recorded in 35 (85%) of 41 10k Squares. First Recorded in 1887. Last Recorded in 2023. Additional Stats