Distinctive moon-shaped creamy-white marking at the cleft in the brownish forewing.
Recorded from Cranwich Heath (Fenn, 1989) Grimes Graves area (Gregory, 2009) and Holt (Follows, 2010).
C. Barrett [VCH 1901] "Mimaesioptilus phzeodactylus, Hb, Hunstanton; taken by Mr. Atmore"
Recorded in 18 (26%) of 69 10k Squares.
First Recorded in 1873.
Last Recorded in 2019.