Systematics :
Kingdom: Animalia (Animals)
Phylum: Arthropoda (Articulate animals)
Class: Insecta (Insects)
Order: Lepidoptera (Moths and butterflies)
Group: «Macro-heterocera» (Macro-moths)
Family: Geometridae (Geometrid moths)
Subfamily: Larentiinae
Genus: Perizoma
Species: Perizoma affinitata (The Rivulet)
Norwegian name: Nelliklundmåler
Host plants: Lychnis, Ragged-Robin (Lychnis flos-cuculi), Red Campion (Silene dioica), Silene
Confusion species: Perizoma alchemillata (Small Rivulet)