Morley's Final Catalogue: (Referring also to Dark arches): Both in such numbers as to be pestilent at light and sugar.
Recent Suffolk Status: Common.
Life history: Single-brooded. Very occasional late records in the autumn in recent times.
Identification: Reddish light arches is darker in colour. In the centre of the forewing, there is a short, thick brown bar in Reddish light arches rather than a scythe-shaped mark.
Habitat: A wide variety of habitats including gardens.
Recorded in 56 (97%) of 58 10k Squares. First Recorded in 1940. Last Recorded in 2026. Additional Stats
