Family: Notodontidae Checklist Number: 71.028
Clostera pigra Hufnagel, 1766
Small Chocolate-tip
The species is designated as Nationally Scarce B. There is an old record from Barra 1974, but discovered on Eriskay 2013. Prefers open damp areas such as moors and heathland. Caterpillars feed upon various willow (Salix) species and aspen (Populus tremula)