Alder Spittlebug vs Chalk Hook-Moss

Aphrophora alni compared with Drepanocladus sendtneri

Key Differences

• Alder Spittlebug is Least Concern while Chalk Hook-Moss is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Chalk Hook-Moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Hemiptera (Hemiptera)	Hypnales (Hypnales)
Family	Aphrophoridae	Amblystegiaceae
Genus	Aphrophora	Drepanocladus
Species	Aphrophora alni	Drepanocladus sendtneri

Conservation Status

Alder Spittlebug

LC — Least Concern

Chalk Hook-Moss

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Chalk Hook-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).

Chalk Hook-Moss

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

Chalk Hook-Moss

The Chalk Hook-Moss (Drepanocladus sendtneri) is a species in the genus Drepanocladus. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 5 countries:

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