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 (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order	Coleoptera (鞘翅目)	Lepidoptera (鱗翅目)
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. (昆蟲綱)

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

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 4 countries:

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