Lunar Marbled Brown Drymonia ruficornis
Reaching a wingspan of up to 46 mm., the Lunar Marbled Brown is a terrible species, for it varies in colouring very much. There is one we photographed which should have been called the Lunar Marbled Grey. It is a moderately common species in Southern England and Wales, rare in Southern Scotland and Ireland and absent in Northern Scotland. The species is on the wing in April and May, for there's only one brood. The larvae feed on oak exclusively.