- Source: Iridopsis pergracilis
Iridopsis pergracilis, the cypress looper moth, is a moth of the family Geometridae. The species was first described by George Duryea Hulst in 1900. It is found in the US from Maryland to Florida.
The wingspan is 26–28 mm.
The larvae feed on Taxodium distichum (including Taxodium distichum var. nutans).