About Scopula frigidaria (Möschler, 1860)
Scopula frigidaria is a moth belonging to the family Geometridae. This species was originally described by Heinrich Benno Möschler in 1860, with the binomial authority cited as (Möschler, 1860). Its distribution ranges from Fennoscandia to the Kamchatka Peninsula, and it also occurs across the boreal forest region of northern North America. In northern North America, its range extends from Alaska, across the Northwest Territories and Nunavut, to Newfoundland, and south into mountain areas of southern Wisconsin, Alberta and British Columbia. This moth has a wingspan of 21 to 23 millimetres, equal to 0.83 to 0.91 inches. Adults fly from late May to June, producing just one generation each year. The larvae of Scopula frigidaria feed exclusively on Vaccinium myrtillus. Larvae can be found between July and May, and the species overwinters in its larval stage.