About Iridopsis pergracilis (Hulst, 1900)
Iridopsis pergracilis, commonly known as the cypress looper moth, is a moth species belonging to the family Geometridae. This species was first formally described by George Duryea Hulst in 1900. In the United States, it can be found in the range stretching from Maryland to Florida. The wingspan of adult Iridopsis pergracilis measures 26 to 28 millimeters. The larvae of this moth feed on Taxodium distichum, which includes Taxodium distichum var. nutans.