Morley's Final Catalogue: Though formerly dubbed 'rare,' and known from a handful of localities, this species suddenly expanded over the entire County in 1895 amazingly. Probably now no remotest hamlet is without it, in the latter half of August. Even Monks Soham then sports it occasionally at light; and it ranges to the border at Gorleston. For a larva in 1857, cf. Ent. Wk. Intell. iii, 4.

Recent Suffolk Status: Common.

Life history: Single-brooded.

Identification: Large thorn is a bigger moth and August thorn rests with wings held flatter.

Habitat: Woodland, parkland, gardens.

Recorded in 52 (90%) of 58 10k Squares. First Recorded in 1930. Last Recorded in 2024. Additional Stats

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