Acrid Knight vs Alder Spittlebug

Tricholoma aestuans compared with Aphrophora alni

Key Differences

• Acrid Knight is Near Threatened while Alder Spittlebug is Least Concern.

Taxonomic Classification

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

Conservation Status

Acrid Knight

NT — Near Threatened

Alder Spittlebug

LC — Least Concern

Physical Characteristics

Attribute	Acrid Knight	Alder Spittlebug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Acrid Knight

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Acrid Knight

The Acrid Knight (Tricholoma aestuans) is a species in the genus Tricholoma. It is currently classified as Near Threatened on the IUCN Red List. This species inhabits Typically found in forest floors, decomposing wood, and soil ecosystems, found across Denmark, Norway, and Sweden.

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