Morley's Final Catalogue: Both (also including Buff Ermine) occur in profusion, especially at light, from Bentley Woods to Gorleston.
Recent Status: Very common and widespread.
Identification: Compare with female Muslin Moth and much scarcer Water Ermine.
Habitat: Ubiquitous in many habitats including gardens and woodland.
Recorded in 55 (95%) of 58 10k Squares.
First Recorded in 1930.
Last Recorded in 2020.