Drymonia ruficornis, the lunar marbled brown, is a moth of the family Notodontidae. It is found in Central and Southern Europe and Anatolia. The wingspan is 35–40 mm. The fore wings are dark fuscous, almost blackish, with a short white line near the base; the central third is white clouded with the ground colour and limited by white edged black wavy lines. There is a black crescent just above the centre of the wing. Hind wings smoky grey with a pale curved line.Drymonia dodonaea is very similar. The moth flies from April to June depending on the location. The larvae feed on oak.