Welsh Wave Venusia cambrica
Wingspan 27-30 mm.
Resident in the northern part of England and Wales as well as Scotland and Ireland, this moth also occurs in the south-west of England.
It is mainly a species of hilly localities, and the adult moths, which fly in July and August, can be found resting on tree-trunks during the day.
The caterpillar is greenish marked with brown blotches and feeds on the leaves of rowan (Sorbus aucuparia).