The Lesser Broad-bordered Yellow Underwing (Noctua janthe) is a moth of the family Noctuoidea. Some authors consider Noctua janthe and Noctua janthina to be the same species. It is found in Europe and North Africa.
The wingspan is 30-40 mm. The length of the forewings is 16-20 mm. The moth flies in one generation from late June to September.
The larvae feed on various deciduous trees, shrubs and herbaceous plants.
Description taken from Wikipedia: http://en.wikipedia.org/wiki/Noctua_janthe