Twin-spot Carpet Mesotype didymata
Wingspan 24-29 mm.
Fairly common in places throughout the British Isles, this species exhibits some variation, with darker forms occurring in the north, and a reddish brown subspecies hethlandica in the Shetland Isles.
The moths fly from June through to August, and can be attracted to light.
The green larvae feed on a range of plants such as bilberry (Vaccinium myrtillus), sallow (Salix) and heather (Calluna).