marsh dagger vs small tortoiseshell

Acronicta strigosa compared with Aglais urticae

Key Differences

• marsh dagger is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	marsh dagger	small tortoiseshell
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Lepidoptera (ผีเสื้อ)	Lepidoptera (ผีเสื้อ)
Family	Noctuidae	Nymphalidae (Brush-footed Butterflies)
Genus	Acronicta	Aglais
Species	Acronicta strigosa	Aglais urticae

Evolutionary Relationship

marsh dagger and small tortoiseshell share a common ancestor at the Order level: Lepidoptera. (ผีเสื้อ)

Conservation Status

marsh dagger

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	marsh dagger	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

marsh dagger

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden