Morley's Final Catalogue: With us this species is nearly confined to the coast, and similar Breck District. Brantham (F. J. Buckell), Felixstow in 1901 (Gibbs), Hemley in 1901 (Wlr); Aldeburgh, ''abounds there'' (Wrt, Suff. Inst. iv, 1870, 220); common at Lowestoft (EMM. 1904, 81), Beccles, Bungay; and on 26 June 1929 in Burgh Castle marshes (Wiltshire). Stowmarket (C). Brandon (Wheeler).

Recent Suffolk Status: Common along the coast, along river valleys and in the fens on the edge of the Breck.

Life history: Double-brooded. Late records into October in Suffolk. Can come to light in large numbers at some coastal sites.

Identification: The black tooth mark in the centre of the forewing and strong white w in the outer line should distinguish this species from similar ones.

Habitat: Saltmarshes, coastal sites, river valleys, fens.

Recorded in 34 (59%) of 58 10k Squares. First Recorded in 1901. Last Recorded in 2024. Additional Stats

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