Morley's Final Catalogue: Abundant everywhere from Bentley Woods to Gorleston; often at Monks Soham light.

Recent Suffolk Status: Common.

Life history: Single brooded. Occasional records in the autumn in recent years.

Identification: Plain wave has smooth, silky wings unlike the rough texture of Riband wave. Third cross line on Plain wave does not have a kink.

Habitat: A wide variety of habitats including gardens.

Recorded in 55 (95%) of 58 10k Squares.
First Recorded in 1940.
Last Recorded in 2023.