The males of this species of moth have the longest antennae of all British moths. Those of the female are much shorter.
In May and June, the males can often be seen in groups, drifting up and down in the evening sunshine.
Their habitat is damp deciduous woodlands and hedgerows.
The wingspan of this moth ranges between 16 and 23mm.
It is quite common over much of England and Wales, more localised in Ireland.
The larvae feed on leaf litter on the ground.