Eupithecia nanata, the narrow-winged pug, is a moth of the family Geometridae. The species can be found all over Europe including Russia (North to Kola Peninsula) and the Ukraine. In the Alps it occurs up to 2200 metres and the Pyrenees to 2400 meters above sea level.The species prefers dry or boggy heathlands. The moths fly from March to September depending on the location. The larvae feed on Calluna species and sometimes Achillea millefolium.