Tulip-tree beauty is in the Epimecis genus, within the Geometridae family or geometer moths, under Lepidoptera order.
Kingdom: Phylum: Class: Order: Family: Genus: Species: Animalia Arthropoda Insecta Lepidoptera Geometridae Epimecis E. hortaria The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. 
