Morley's Final Catalogue: His 'Notodonta Tremula' is considered to be rare about Yarmouth by Paget in 1834; though actually this species is a good deal commoner than with us and its pupa more frequently dug than the last one, especially at Ipswich lights in August. Copdock, Waldringfield; Playford (Ent. Wk. Intell.i.1856, 164); uncommon about Stowmarket in 1857 (C); Martlesham; Yoxford, Blythbro', Aldeburgh, Lowestoft, Gorleston. Tuddenham (Sparke); a half-dozen at light near Barton Mills in May 1934 (Ent. 1935, 81).
Recent Status: Widespread and common.
Identification: Compared with Lesser Swallow Prominent this species has a longer and narrower white tornal streak.
Habitat: In a wide variety of habitats.
Recorded in 54 (93%) of 58 10k Squares. First Recorded in 1857. Last Recorded in 2020. Additional Stats