About Acasis viridata (Packard, 1873)
Acasis viridata, commonly known as the olive-and-black carpet, is a moth species in the family Geometridae. This species was first described by Alpheus Spring Packard in 1873. Its distribution ranges from Newfoundland to British Columbia and the adjacent northern United States; in the eastern part of its range, it extends south to Florida, while in the western part, it extends south to Colorado and Oregon. The wingspan of adult moths measures 18–20 mm. In North America, adults are active between April and July, and the species produces one generation per year. The larvae of this moth feed on the flower heads of Viburnum cassinoides.