The Mocha Cyclophora annularia
(Fabricius, 1775)[Synonyms: annulata]
Wingspan 18-22 mm.
A rather attractive species, this moth is scarce, but widely distributed in woodland habitat throughout the southern part of Britain.
It is double-brooded, flying from May to early June, and then in late July and August.
The larval foodplant is field maple (Acer campestris).