Alder Spittlebug vs Spruce Tooth

Aphrophora alni compared with Phellodon violascens

Key Differences

• Alder Spittlebug is Least Concern while Spruce Tooth is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Spruce Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Thelephorales (Thelephorales)
Family	Aphrophoridae	Thelephoraceae
Genus	Aphrophora	Phellodon
Species	Aphrophora alni	Phellodon violascens

Conservation Status

Alder Spittlebug

LC — Least Concern

Spruce Tooth

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Spruce 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).

Spruce Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and United States. Currently classified as Endangered 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 🇺🇸 United States