Birch Bark Beetle vs Rötender Wirrling

Scolytus ratzeburgii compared with Abortiporus biennis

Key Differences

• Birch Bark Beetle is Least Concern while Rötender Wirrling is Near Threatened.

Taxonomic Classification

Rank	Birch Bark Beetle	Rötender Wirrling
Kingdom	Animalia (Tier)	Fungi (Pilze)
Phylum	Arthropoda (Gliederfüßer)	Basidiomycota (Ständerpilze)
Class	Insecta (Insekten)	Agaricomycetes (Mushrooms)
Order	Coleoptera (Käfer)	Polyporales (Stielporlingsartige)
Family	Curculionidae	Podoscyphaceae
Genus	Scolytus	Abortiporus
Species	Scolytus ratzeburgii	Abortiporus biennis

Conservation Status

Birch Bark Beetle

LC — Least Concern

Rötender Wirrling

NT — Near Threatened

Physical Characteristics

Attribute	Birch Bark Beetle	Rötender Wirrling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Bark Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and Switzerland.

Rötender Wirrling

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Birch Bark Beetle

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

Rötender Wirrling

The Blushing Rosette (Abortiporus biennis) is a species in the genus Abortiporus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden