About Stegania trimaculata (Villers, 1789)
Stegania trimaculata, the Dorset cream wave, is a moth of the family Geometridae. It occurs across Europe and India, with most populations in Southern Europe, and is also found in Borneo. This species has a wingspan of 26–28 mm, and forewings that reach 10–13 mm in length. The moth produces two generations annually, flying from May to September. Its larvae feed on a variety of poplar species.