About Psodos quadrifaria (Sulzer, 1776)
Psodos quadrifaria is a moth species belonging to the family Geometridae. It was first described by Johann Heinrich Sulzer in 1776. This species occurs in the higher elevations of the Alps, the Pyrenees, the High Tatras, and the Balkan Mountains, and it also has a scattered distribution in the Giant Mountains. Psodos quadrifaria can be found at elevations up to 2,700 metres. The wingspan of adult moths ranges from 18 to 25 mm. Adults are active during the day, and they are on wing from the end of May through mid-August. This species produces one generation per year. Its larvae feed on the leaves of a variety of low-growing plants.
