About Thetidia plusiaria Boisduval, 1840
Thetidia plusiaria Boisduval, 1840 is a moth species belonging to the family Geometridae. This species is distributed in central and eastern Spain, the Pyrenees, Mallorca, Algeria, and Morocco. In mountain habitats, it can be found at altitudes up to approximately 2,400 meters. The wingspan of adult Thetidia plusiaria ranges from 22 to 27 mm. The species typically has two generations per year, with adult moths active on the wing in June and July, and a second generation active in September. A third generation may develop when growing conditions are favorable. The larvae of Thetidia plusiaria feed on plant species from the genera Santolina, Achillea, and Artemisia.
