Alder Spittlebug vs Crowned Tooth

Aphrophora alni compared with Hydnellum lepidum

Key Differences

• Alder Spittlebug is Least Concern while Crowned Tooth is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Crowned Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Thelephorales (Thelephorales)
Family	Aphrophoridae	Bankeraceae
Genus	Aphrophora	Hydnellum
Species	Aphrophora alni	Hydnellum lepidum

Conservation Status

Alder Spittlebug

LC — Least Concern

Crowned Tooth

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Crowned Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Crowned Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. 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