Caterpillars munch on:
Adults feed on a range of flowers including:
This moth spends the winter as a small caterpillar, amongst vegetation and near to the ground.
There is even more about this species on the main Butterfly Conservation website
There are two different forms occurring naturally. Some have a complete band in the centre of their wings, breaking the brassy areas into two. Others have an incomplete mark, with an unbroken metallic patch.