Eastern spider beetle vs small tortoiseshell

Ptinus raptor compared with Aglais urticae

Key Differences

• Eastern spider beetle is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Eastern spider beetle	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Ptinidae	Nymphalidae (Brush-footed Butterflies)
Genus	Ptinus	Aglais
Species	Ptinus raptor	Aglais urticae

Evolutionary Relationship

Eastern spider beetle and small tortoiseshell share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Eastern spider beetle

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Eastern spider beetle	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇨🇭 Switzerland