The Lead Belle (Scotopteryx mucronata) is a medium-sized, grey moth, found on heathland, moorland and scrub. Caterpillars feed on gorse, broom, petty whin and dyer's greenweed.
It is similar to the July Belle.
The moth is locally common in much of Britain, this species inhabits moorland and heathland, and can be disturbed in the daytime from its resting places. In the northern parts there is a darker subspecies (scotica), which also has a melanic form.
There is one generation, flying in May and June.
The overwintering larvae feed mainly on gorse (Ulex) and broom (Cytisus).