Davey, P., 2009: A species restricted to southern Britain, the larva feeding on beech (Fagus sylvatica). The least common 'Hook-tip' in Dorset, but found commonly enough in beech plantation and deciduous woodland containing mature beech. The moth has been observed flying during the daytime in sunshine close to its habitat, for example, at the edge of beech plantation at Melbury Wood in the middle of the afternoon on 11 May 2002 (P Davey). The following records refer to likely third generation individuals: Puddletown, at MV on 30 September 2000 (H Wood Homer), Stubhampton Bottom, at MV on 22 September 1995 (P Davey). The following moth was trapped well away from potential habitat, at a time when the airflow was offshore, light and from the north-east: Portland, at MV light on 3 September 1996 (M Cade).

Recorded in 27 (68%) of 40 10k Squares.
First Recorded in 1934.
Last Recorded in 2019.
(Data up to end 2019)