Alder Spittlebug vs Bordered Screw-moss

Aphrophora alni compared with Tortula marginata

Key Differences

Alder Spittlebug is Least Concern while Bordered Screw-moss is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Bordered Screw-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Hemiptera (Hemiptera)	Pottiales (Pottiales)
Family	Aphrophoridae	Pottiaceae
Genus	Aphrophora	Tortula
Species	Aphrophora alni	Tortula marginata

Conservation Status

Alder Spittlebug

LC — Least Concern

Bordered Screw-moss

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Bordered Screw-moss
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).

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Belgium, Luxembourg, New Zealand, Norway, and Portugal. Currently classified as 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.

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.