Morley's Final Catalogue: Distinctly local; usually only in woods. Bentley, Freston, Needham, Glemham Magna, Leiston, Lowestoft: ante 1890. Waldringfield (Wlr); Copdock in 1894-8 (Hkg); Belstead Wood, very common in 1899 (Platten); Bentley Woods rare, and singly at Wenhaston Heath and Barnby Broad (Mly); Henham (Btn); Fritton in 1934 (Mr). One yellow form at light at Bungay (Mn).

Recent Suffolk status: Locally common along mainly along the Sandlings and the Breck.

Life history: Single-brooded in the summer. Autumn records are starting to become more regular in recent years.

Identification: Unmistakable.

Habitat: Broad-leaved woodland and heathland.

Recorded in 48 (83%) of 58 10k Squares. First Recorded in 1894. Last Recorded in 2024. Additional Stats

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