Alder Spittlebug vs Birch Bristle Bracket

Aphrophora alni compared with Phellinus lundellii

Key Differences

Alder Spittlebug is Least Concern while Birch Bristle Bracket is Critically Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Birch Bristle Bracket
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Hymenochaetales (Hymenochaetales)
Family	Aphrophoridae	Hymenochaetaceae
Genus	Aphrophora	Phellinus
Species	Aphrophora alni	Phellinus lundellii

Conservation Status

Alder Spittlebug

LC — Least Concern

Birch Bristle Bracket

CR — Critically Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Birch Bristle Bracket
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).

Birch Bristle Bracket

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Denmark, Norway, Sweden, and Taiwan. 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.

Birch Bristle Bracket

The Birch Bristle Bracket (Phellinus lundellii) is a species in the genus Phellinus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.