Bitter Tooth vs Chestnut Coloured Click Beetle

Hydnellum scabrosum compared with Anostirus castaneus

Key Differences

• Bitter Tooth is Near Threatened while Chestnut Coloured Click Beetle is Least Concern.

Taxonomic Classification

Rank	Bitter Tooth	Chestnut Coloured Click Beetle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Thelephorales (Thelephorales)	Coleoptera (Beetles)
Family	Bankeraceae	Elateridae
Genus	Hydnellum	Anostirus
Species	Hydnellum scabrosum	Anostirus castaneus

Conservation Status

Bitter Tooth

NT — Near Threatened

Chestnut Coloured Click Beetle

LC — Least Concern

Physical Characteristics

Attribute	Bitter Tooth	Chestnut Coloured Click Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Tooth

Habitat

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

Range

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

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden