About Euthyatira semicircularis (Grote, 1881)
Euthyatira semicircularis is a species of moth that belongs to the Drepanidae family. It is native to North America, with recorded occurrences ranging from British Columbia to California, extending eastward to Utah. This species inhabits coastal rainforests and boreal forests. It has a wingspan that measures between 39 and 45 mm. Adult individuals of Euthyatira semicircularis are active in flight from May through July.