Common in hedgerows, gardens, woodland, calcareous grassland and acid heathland throughout the British Isles; abundant throughout Hampshire and on the Isle of Wight. Wingspan 33-46 mm. Unmistakable, one of the commonest and most well-recorded geometers in the country. Larva feeds on Blackthorn, Hawthorn, Midland Hawthorn, Rowan and Wayfaring-tree, over-wintering as a pupa or small larva.
The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time