Thetidia smaragdaria (Essex Emerald)
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: Geometrinae
Genus: Thetidia
Species: Thetidia smaragdaria (Essex Emerald)
Norwegian name: Smaragdbladmåler
Host plants: Artemisia, Artemisia absinthium, Senecio, Tanacetum, Tansy (Tanacetum vulgare), Yarrow (Achillea millefolium)
Norwegian Red List (2021): Critically Endangered