Alder Spittlebug vs Bearded Tooth

Aphrophora alni compared with Hericium erinaceus

Key Differences

Alder Spittlebug is Least Concern while Bearded Tooth is Critically Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Bearded Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Russulales (Russulales)
Family	Aphrophoridae	Hericiaceae
Genus	Aphrophora	Hericium
Species	Aphrophora alni	Hericium erinaceus

Conservation Status

Alder Spittlebug

LC — Least Concern

Bearded Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Bearded 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).

Bearded Tooth

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically 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.

Bearded Tooth

The Bearded Tooth (Hericium erinaceus) is a species in the genus Hericium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.