Morley's Final Catalogue: We seem at the extremity of this species' southern range, but it is less rare here than was formerly thought to be the case. A few about Ipswich in 1893, rare at Monks Soham light in 1924, and one taken at Barton Mills in June 1900 (Mly); several netted, and larvae taken, in west Suffolk during 1913 (Nurse, in lit. Oct. 1913). Worlingham Park, before 1890 (Crf); Lothingland (Mr, one). Bentley Woods, 26 May 1932 (D).

Recent Suffolk Status: Very local and rare.

Life history: Single-brooded. Mainly a day-flyer, seen around the foodplants growing in meadows. Very occasionally seen at light.

Identification: Lead-coloured pug doesn't have any white spots (extinct in Suffolk).

Habitat: Meadows, woodland rides.

Recorded in 10 (17%) of 58 10k Squares.
First Recorded in 1893.
Last Recorded in 2022.