Birch Marble vs Fierce Orbweaver

Apotomis betuletana compared with Araneus saevus

Key Differences

• Birch Marble is Least Concern while Fierce Orbweaver is Near Threatened.

Taxonomic Classification

Rank	Birch Marble	Fierce Orbweaver
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	Araneidae
Genus	Apotomis	Araneus
Species	Apotomis betuletana	Araneus saevus

Evolutionary Relationship

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

Conservation Status

Birch Marble

LC — Least Concern

Fierce Orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Birch Marble	Fierce Orbweaver
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.

Fierce Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Canada, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden