Morley’s Final Catalogue: Used to occur locally about Brandon (Wrn), but not noticed for many years.
Recent Status: A rare species in Suffolk.
Life Style: Single brooded summer species flying during the day till sunset and occasionally coming to light. The larvae feed from a silken tube on Erica and Calluna. The larvae spin a cocoon for hibernation in which they then pupate.
Identification: A large Ancylus species with similarities to A. achatana. There is a darker band from pre-tornal transversely across to the middle of the costa. The basal third may be darker. The species is a greyish or grey brown colour. More Info