It is found in most of Europe, except parts of the Balkan Peninsula and the Mediterranean islands.

The head is dark brown and shows a slight purple sheen.

The thorax and forewings are brownish black and have a purple sheen.

The costa is sparsely speckled with white scales in the outer half of the wings and at the apex.

The sacculus is longer than the cucullus and tapers into a sharp, slightly curved tip.