Willow Beauty - Peribatodes rhomboidaria
Wingspan 30-38 mm. Typical forms are brownish with darker streaks and markings, but there is also a greyish form, perfumaria, as well as an almost black melanic variant.
Quite similar to Mottled Beauty. Guidance on separating these two species can be found by following this LINK

Woodland, scrub, hedgerows, parks and gardens.
The moths fly in July and August, sometimes again in September in the south.
The larval foodplants are a number of deciduous trees including Hawthorn and Ivy.
Commonly distributed throughout Britain to southern Scotland but more local further north. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.
Very common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015