Alder Spittlebug vs Woolly Rosette

Aphrophora alni compared with Cotylidia pannosa

Key Differences

• Alder Spittlebug is Least Concern while Woolly Rosette is Extinct.

Taxonomic Classification

Rank	Alder Spittlebug	Woolly Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Hymenochaetales (Hymenochaetales)
Family	Aphrophoridae	Rickenellaceae
Genus	Aphrophora	Cotylidia
Species	Aphrophora alni	Cotylidia pannosa

Conservation Status

Alder Spittlebug

LC — Least Concern

Woolly Rosette

EX — Extinct

Physical Characteristics

Attribute	Alder Spittlebug	Woolly Rosette
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).

Woolly Rosette

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States