The Peacock Moth (Macaria notata) is a member of the Geometridae family.
Like a number of moths it shares a name with a butterfly (for example there is a brimstone moth and a swallowtail moth as well as butterflies of those
Peacock Moth - K.Noble
names).
The very similar sharp-angled peacock (Macaria alternata) is the main confusion species.
The wingspan is 28–32 mm.
When the Peacock Moth is active