Species: Dark Dagger (Acronicta tridens)
Norwegian name: Bjørkekveldfly
Host plants: Alder (Alnus), Apple (Malus), Asalslekta (Sorbus), Birch (Betula), Hawthorn (Crataegus), Kirsebærslekta (Prunus), Lime (Tilia), Oak (Quercus), Willows, Sallows and Osiers (Salix)
Confusion species: Grey Dagger (Acronicta psi)
Norwegian Red List (2021): Vulnerable
Systematics :
| Kingdom | Animals (Animalia) | ||||||||
| Phylum | Articulate animals (Arthropoda) | ||||||||
| Klasse | Insects (Insecta) | ||||||||
| Order | Moths and butterflies (Lepidoptera) | ||||||||
| Group | Macro-moths («Macro-heterocera») | ||||||||
| Family | Owlet moths (Noctuidae) | ||||||||
| Subfamily | Acronictinae | ||||||||
| Genus | Acronicta | ||||||||
| Species | Dark Dagger (Acronicta tridens) | ||||||||
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