Iridopsis sanctissima is a species of moth in the family Geometridae first described by William Barnes and James Halliday McDunnough in 1917. It is found in Central and North America, where has been recorded from Nevada, Arizona, California and northern Baja California.
The length of the forewings is 15âÂÂ18 mm for males and 15âÂÂ20 mm for females.
The MONA or Hodges number for Iridopsis sanctissima is 6576.