Alder Spittlebug vs Booted Knight

Aphrophora alni compared with Tricholoma focale

Key Differences

• Alder Spittlebug is Least Concern while Booted Knight is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Booted Knight
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Agaricales (Gilled Mushrooms)
Family	Aphrophoridae	Tricholomataceae
Genus	Aphrophora	Tricholoma
Species	Aphrophora alni	Tricholoma focale

Conservation Status

Alder Spittlebug

LC — Least Concern

Booted Knight

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Booted Knight
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).

Booted Knight

Habitat

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

Range

Distributed across Belgium, 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.

Booted Knight

The Booted Knight (Tricholoma focale) is a species in the genus Tricholoma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden