Family: Geometridae Sub-family: Ennominae
Flight time: One generation July-September
Habitat: Damp woodlands, marshy ground, occasionally found in scrub, hedgerows and gardens
Larvae feed on Willows, also Alder, Hazel and Black-poplar. Overwinter as eggs on foodplant, hatching in May.
Photographs: Ballingeary, Co. Cork, SW Ireland. July 2010