Birch Marble vs False widow

Apotomis betuletana compared with Steatoda bipunctata

Taxonomic Classification

Rank	Birch Marble	False widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Arachnida (Arachnids)
Order	Lepidoptera (Butterflies & Moths)	Araneae (Araneae)
Family	Tortricidae	Theridiidae
Genus	Apotomis	Steatoda
Species	Apotomis betuletana	Steatoda bipunctata

Evolutionary Relationship

Birch Marble and False widow share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Birch Marble

LC — Least Concern

False widow

LC — Least Concern

Physical Characteristics

Attribute	Birch Marble	False widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

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

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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