Eastern spider beetle vs White-marked spider beetle

Ptinus raptor compared with Ptinus fur

Taxonomic Classification

Rank	Eastern spider beetle	White-marked spider beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family same	Ptinidae	Ptinidae
Genus same	Ptinus	Ptinus
Species	Ptinus raptor	Ptinus fur

Evolutionary Relationship

Eastern spider beetle and White-marked spider beetle share a common ancestor at the Genus level: Ptinus.

Conservation Status

Eastern spider beetle

LC — Least Concern

White-marked spider beetle

LC — Least Concern

Physical Characteristics

Attribute	Eastern spider beetle	White-marked spider beetle
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).

White-marked spider beetle

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (4 countries), Europe (38 countries), and North America (Canada, United States).

Shared Countries

Both species can be found in 6 countries:

🇨🇦 Canada 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇨🇭 Switzerland 🇺🇸 United States