[4] In the imago the fore wings are white punctuated with three rows of very small black spots (hence the family name of ermine moths) while the hindwings are greyish.

[5] These moths inhabit fields and parks where the host plant grows.

The eggs hatch by releasing tiny caterpillars that at first feed within the shoots of the host plant.

As they grow they gather together and weave webs that may eventually envelop a whole tree.

The host plant of this moth is the European spindle (Euonymus europaeus).